道路標識カナダ
26. カーブ
カーブは、道路が左または右へ方向を変える区間です。急なカーブ、予期しにくいカーブ、見通しの悪いカーブでは、対向車、停止車両、歩行者、その他の危険を確認できる距離が短くなります。
運転者はカーブに入る前に減速し、自分の車線内を保ち、滑らかに操舵、制動、加速します。警戒標識は最初のカーブ方向や連続カーブを示す場合があります。
What is a road curve?
A road curve is a section where the road changes direction to the left or right.
How can you recognise a dangerous curve?
It may be indicated by a triangular warning sign showing a curved line. The symbol normally indicates whether the first curve turns left or right.
What is a double curve?
A double curve consists of two curves in opposite directions. The warning sign normally shows the direction of the first curve.
Can a sign warn of more than two curves?
Yes. A double-curve symbol may also warn of a longer sequence of successive curves. A supplementary panel may indicate the length of the winding section.
Does a curve-warning sign impose a speed limit?
No. It normally warns of danger rather than setting a numerical limit. Drivers must still reduce speed when the permitted maximum would be unsafe.
When should you reduce speed for a curve?
Reduce speed before entering the curve, while the vehicle is travelling straight and has maximum stability.
Should you brake heavily while cornering?
No. Harsh braking in a curve can reduce stability and grip. Complete most braking beforehand and use smooth adjustments where necessary.
Should you accelerate through a curve?
Maintain a controlled speed through the curve. Accelerate smoothly only when the exit becomes visible and the vehicle is stable.
Where should you look while driving through a curve?
Look towards the path you intend to follow and the visible exit of the curve. Continue checking the road surface, lane position and nearby traffic.
Must you remain in your lane?
Yes. Do not cross the centre line or cut across another lane, even when this would make the curve appear easier to negotiate.
Why is visibility limited in a curve?
Buildings, vegetation, slopes, barriers and the road alignment may hide oncoming traffic, cyclists, pedestrians, stopped vehicles or debris.
How fast should you drive through a curve?
Choose a speed that allows you to remain in your lane and stop within the distance you can see to be clear. The safe speed may be far below the legal maximum.
What is an advisory speed for a curve?
An advisory speed is a recommended safe speed for negotiating the curve under suitable conditions. It is not necessarily the legal maximum speed.
How do rain, snow or ice affect a curve?
They reduce tyre grip and increase the risk of skidding. Reduce speed earlier, use smooth controls and leave additional distance from other vehicles.
What should you do if gravel or debris is present?
Avoid sudden braking or steering. Reduce speed smoothly and follow a clear path without entering another traffic lane.
May you overtake in a curve?
Do not overtake when visibility is insufficient to see approaching traffic and complete the manoeuvre safely. Local law, signs and continuous road markings may also prohibit overtaking.
May you stop or park in a curve?
Only where it is permitted and the vehicle remains clearly visible. Stopping or parking in a poorly visible curve may create a serious hazard and is often prohibited.
Should you follow another vehicle closely through a curve?
No. Leave enough distance to react if the vehicle ahead brakes for a hidden obstruction or a sharper part of the curve.
Why should motorcyclists take extra care?
Motorcycles require grip for both cornering and braking. Riders should reduce speed before the curve, choose a stable line and avoid painted markings, gravel and slippery surfaces.
How can a curve affect a trailer or caravan?
A trailer may sway, track closer to the inside of the curve or become unstable when speed and steering inputs are excessive. Enter slowly and steer smoothly.
Why do large vehicles need more space?
Buses and trucks may move closer to lane boundaries because of their length and width. Other drivers should avoid travelling beside them through a tight curve.
What should you do if an oncoming vehicle crosses the centre line?
Reduce speed, move safely towards your side of the road and avoid a sudden manoeuvre that could cause another collision. Sound a warning only when reasonably necessary.
Does the absence of a warning sign mean every curve is safe at the speed limit?
No. Drivers must assess every curve and adapt their speed even when no warning sign is displayed.
27. 逆走
逆走は、法律で定められた交通方向に反して走行することです。一方通行道路、分離道路、高速道路の入口・出口、その他一方向専用区間で発生することがあります。
逆走は正面衝突の極めて高い危険を生みます。方向標識、進入禁止標識、車線矢印、路面表示に従わなければなりません。誤って逆方向へ進入した場合は減速し、他車へ警告し、可能な限り安全な場所で停止して緊急サービスへ連絡します。
What is wrong-way driving?
Wrong-way driving means travelling against the legally permitted direction of traffic.
Where can wrong-way driving occur?
It can occur on one-way streets, divided roads, motorways, slip roads, tunnels, car parks and temporary traffic arrangements.
Why is wrong-way driving especially dangerous?
Other drivers do not expect approaching traffic in their lane, and the combined speeds can make a head-on collision extremely severe.
How can you recognise a prohibited direction?
Look for no-entry signs, one-way signs, mandatory-direction signs, lane arrows and road markings. Motorway exits may also have repeated signs or warning systems facing the wrong direction.
Is wrong-way driving the same as entering a no-entry road?
Entering past a no-entry sign can cause wrong-way driving, but the term also covers turning around on a divided road or using the wrong carriageway without passing such a sign.
Is driving against a one-way street always prohibited?
Normally, yes. However, signs may expressly permit certain road users, such as cyclists or public transport, to travel in the opposite direction.
Is authorised contraflow traffic wrong-way driving?
No. A cyclist, bus or other road user travelling in an expressly authorised contraflow lane or direction is using the road legally.
Can roadworks temporarily change the normal direction?
Yes. Temporary signs, barriers, lane signals and markings may redirect traffic onto another lane or carriageway. Follow the temporary arrangement rather than the usual road layout.
What should you do when you see a wrong-way driver?
Reduce speed immediately, keep as far as safely possible towards the outer edge of your carriageway and avoid sudden lane changes. Warn the police or emergency services as soon as this can be done safely.
Should you attempt to stop the wrong-way driver?
No. Do not block, chase or turn after the vehicle. Protect yourself and allow trained emergency services to intervene.
Should you flash your headlights?
A brief warning may help the driver recognise the error, but avoid prolonged or aggressive signalling that could cause panic or an unpredictable manoeuvre.
Should you sound the horn?
Use the horn only when reasonably necessary to warn of immediate danger. Your first priority is to reduce speed and create as much safe space as possible.
Should you stop in a live traffic lane?
Normally not. Sudden stopping may cause a rear-end collision. Slow down and move towards a safe shoulder, refuge or other protected location where possible.
What should you do after receiving a wrong-way-driver warning?
Reduce speed, stop overtaking, increase your following distance and remain in the lane or position recommended by the local authorities or warning system.
Should you continue using the overtaking lane?
Avoid unnecessary use of lanes nearest opposing or central traffic when a wrong-way driver has been reported. Follow local emergency guidance and electronic signs.
What should you do if you are driving in the wrong direction?
Slow down immediately, activate the hazard warning lights and use dipped headlights where required. Move to the safest available edge or shoulder and stop.
Should you accelerate to reach the next exit?
No. Increasing speed greatly increases the collision risk. Stop safely and wait for instructions from the police.
Should you make a U-turn across traffic?
No. Do not turn across live lanes, cross a central reservation or attempt to correct the mistake through another dangerous manoeuvre.
Should you reverse back to the entrance?
No. Reversing against traffic or along a motorway slip road creates additional danger. Stop safely and contact the emergency services.
Should you leave the vehicle after stopping?
This depends on the location and immediate danger. Remain protected from moving traffic and follow instructions from the emergency services. Do not stand in a live lane.
How should you contact the emergency services?
Stop safely before using a handheld phone. A passenger may call while the vehicle is moving when local law permits and this can be done without distracting the driver.
What information should you report?
Report the road name or number, direction, nearby exit or landmark, vehicle description and the wrong-way driver’s approximate location and direction.
What commonly causes wrong-way driving?
Possible causes include confusion at junctions, poor visibility, unfamiliar roads, impairment, navigation errors, turning around illegally or deliberately ignoring traffic signs.
How can drivers prevent entering the wrong direction?
Slow down at unfamiliar junctions, read signs before turning, verify the road layout and do not rely exclusively on navigation instructions.
Does a navigation system override traffic signs?
No. Traffic signs, signals, markings and instructions from authorised persons always take precedence over navigation guidance.
28. 道路工事
道路工事は、道路上または道路脇で行われる建設、維持、修理、点検作業です。道路配置、車線幅、速度制限、優先関係、通行方向、歩行者・自転車施設が一時的に変更されることがあります。
運転者は仮設標識、信号、バリア、路面表示、作業員の指示に従い、減速し、車間距離を増やし、狭い車線、渋滞、作業員、重機、急な経路変更に備える必要があります。
What are roadworks?
Roadworks are construction, maintenance, repair or inspection activities carried out on or beside a road.
How can you recognise roadworks?
They may be indicated by a roadworks warning sign, cones, barriers, temporary markings, flashing lights, machinery or workers.
Does a roadworks sign impose a speed limit?
No, not by itself. A separate temporary or permanent speed-limit sign establishes the legal maximum speed.
Must you drive below the speed limit?
Yes, when necessary. Narrow lanes, workers, machinery, poor surfaces, congestion or limited visibility may require a substantially lower speed.
Are temporary traffic signs legally binding?
Yes. Correctly installed temporary signs must be obeyed for as long as they are in force.
Which road markings should you follow?
Follow the temporary markings that guide traffic through the works. Local law determines how they take priority over older permanent markings.
Must you obey temporary traffic lights?
Yes. Stop at the line or signal when required and do not proceed until the applicable light permits it.
Must you obey road workers directing traffic?
Obey instructions from workers or controllers who are legally authorised to regulate traffic. Their signals may temporarily replace the ordinary traffic arrangement.
What should you do when a lane closes?
Observe the signs and lane arrows, check mirrors and blind spots and merge safely into the continuing lane.
What is zipper merging?
Zipper merging means that vehicles in an ending or blocked lane merge alternately with vehicles in the continuing lane near the narrowing during congested traffic.
Should you merge early?
This depends on local law and traffic conditions. Where zipper merging applies during congestion, use both lanes and merge near the narrowing. In flowing traffic, change lanes when a safe gap is available.
Who has priority when your lane is obstructed?
Without another traffic control, the driver whose route is obstructed commonly has to yield before moving into the path of approaching or adjacent traffic.
Can temporary lights control alternating traffic?
Yes. Temporary signals may allow only one direction at a time through a narrow section.
May you enter when the exit is blocked?
No. Do not enter a narrow section, intersection or temporary crossing when congestion may leave you stopped inside it.
May you move cones or barriers?
No. Do not move, pass around or ignore traffic-control equipment unless an authorised person instructs you to do so.
May you overtake in roadworks?
Only when signs and markings permit it and sufficient width and visibility remain. Overtaking is often unsafe in narrow or shifted lanes.
May you stop or park in roadworks?
Only where temporary and permanent signs permit it. Do not obstruct workers, machinery, emergency access or temporary pedestrian and cycle routes.
What should you watch for near workers?
Expect workers to enter the road, machinery to move or reverse and vehicles to leave the worksite. Reduce speed and leave generous space.
What should cyclists do at roadworks?
Follow the signed temporary cycle route or lane. Check surrounding traffic carefully before leaving a closed or obstructed bike path.
What should pedestrians do?
Use the designated temporary walkway or crossing and follow barriers, signs, signals and instructions from authorised personnel.
Why should you increase your following distance?
Traffic may brake suddenly because of queues, lane changes, machinery, debris or changing signals. Additional distance provides more time to react.
What should you do if your vehicle breaks down in roadworks?
Move to the safest available location where possible, activate the hazard warning lights and contact assistance. Avoid standing in a live or narrow traffic lane.
Do ordinary traffic rules still apply?
Yes. Rules concerning safe speed, following distance, signalling, priority and vulnerable road users continue to apply unless a lawful temporary arrangement changes them.
29. 高さ制限
高さ制限は、表示された値を超える全高の車両が道路区間、橋、トンネル、門、その他の構造物へ進入・通過することを禁止します。車両高には積荷や上部へ取り付けた装備も含まれます。
背の高い車両の運転者は正確な全高を把握し、事前警告に従い、必要なら別ルートを使用します。安全な高さの余裕が不明な場合、目視だけに頼ったり無理に通過したりしてはいけません。
What does a height-limit sign mean?
It prohibits vehicles whose total height exceeds the displayed value from continuing beyond the sign.
How can you recognise a height-limit sign?
It is commonly a circular regulatory sign showing a height in metres, feet or another local unit between vertical arrows.
What is included in the vehicle’s total height?
The height includes the vehicle, its load and any attached equipment, such as roof boxes, bicycles, machinery, antennas or raised loading equipment.
Does the limit apply to trailers?
Yes. Every part of a vehicle combination must fit beneath the restriction, including the towing vehicle, trailer and load.
Does the sign show the exact physical clearance?
Not necessarily. Road authorities may display a lower value than the measured clearance to provide a safety margin.
May a vehicle exactly as high as the displayed value pass?
The legal wording commonly prohibits vehicles higher than the displayed value, but drivers should not attempt to pass without a practical safety margin. Measurement errors, movement and road conditions can reduce the available clearance.
How can a vehicle’s height change?
Loading, tyre pressure, suspension settings, raised equipment, replacement tyres and road movement can alter the vehicle’s total height.
Can air suspension affect the height?
Yes. The vehicle may rise or lower depending on its suspension mode, speed and load. Use the maximum travelling height when planning the route.
Can the clearance vary between lanes?
Yes. An arched bridge, tunnel roof or overhead structure may provide different clearance in each lane. Follow lane-specific signs and markings.
Can the clearance vary across the width of one lane?
Yes. Clearance may be lower near the edge of an arch or where the road slopes sideways. Remain within the authorised marked path.
Can resurfacing reduce the available clearance?
Yes. A new road surface can raise the road level and reduce the space beneath a bridge or structure.
Can snow, water or road debris affect clearance?
Yes. Material on the road can raise the vehicle or restrict the usable route. Flooding may also conceal the road surface or another hazard.
Where are height restrictions commonly found?
They are common at bridges, tunnels, car parks, loading areas, gateways, railway structures and roads with overhead equipment.
Is a height-limit sign a warning or a prohibition?
It is normally a prohibition. A vehicle that exceeds the displayed height may not pass.
Does a height-limit sign impose a speed limit?
No. The applicable road or posted speed limit remains in force, although drivers should approach cautiously.
Does the sign change priority?
No. Traffic lights, priority signs and ordinary priority rules remain applicable.
Can a height restriction be announced in advance?
Yes. An advance sign may show the restriction and the distance to it so that high vehicles can choose another route.
What should you do when your vehicle is too high?
Do not continue. Stop where safe and follow the signed diversion or another suitable route. Do not reverse into traffic without assistance.
Should you rely on a navigation system?
No. Navigation may contain outdated or incomplete vehicle restrictions. Traffic signs and the actual road conditions always take precedence.
Should professional drivers know their vehicle’s height?
Yes. Drivers of trucks, buses, motorhomes and vehicles carrying roof loads should know and, where useful, display the vehicle’s maximum travelling height inside the cab.
What should you do when uncertain about your height?
Stop before the restriction in a safe place and verify the vehicle’s height. Choose another route when safe clearance cannot be confirmed.
May you move into another lane with greater clearance?
Only when signs and markings permit it and the manoeuvre can be completed safely. Do not cross a closed lane, continuous line or opposing traffic merely to gain clearance.
May you lower or remove equipment to pass?
Only in a safe place and when the equipment can be secured correctly afterwards. Never stop beneath the structure or in a live lane to alter the vehicle.
What should you do if your vehicle strikes a bridge?
Stop immediately where safe, activate the hazard warning lights and contact the emergency services or police. Do not continue because the vehicle, load or structure may be unstable.
Should traffic continue beneath a struck bridge?
No, when damage may have occurred. Keep away from the structure and follow instructions from the police, road authority or railway operator.
30. 重量制限
重量制限は、表示された値を超える質量の車両または車両組合せが道路区間、橋、トンネル、その他の構造物へ進入・通過することを禁止します。現地法により、実際の積載質量、最大許容質量、または個別車軸荷重を指す場合があります。
運転者は標識がどの質量を指すか理解し、必要に応じて車両、乗員、積荷、トレーラーを含めて計算する必要があります。制限を超える車両は別の適切な経路を使用しなければなりません。
What does a weight-limit sign mean?
It prohibits vehicles or vehicle combinations whose relevant mass exceeds the value displayed on the sign.
How can you recognise a weight-limit sign?
It is commonly a circular regulatory sign showing a mass in tonnes, kilograms or another local unit.
Is a weight-limit sign a warning or a prohibition?
It is normally a prohibition. A vehicle exceeding the displayed limit may not continue beyond the sign.
What is actual loaded mass?
Actual loaded mass is the weight of the vehicle as it is currently travelling, including the vehicle itself, its load, driver, passengers and other relevant equipment.
What is maximum authorised mass?
Maximum authorised mass is the highest total mass at which the vehicle is legally approved to operate. It is normally recorded in the vehicle documents.
Is actual mass the same as maximum authorised mass?
No. A lightly loaded vehicle may have an actual mass below its maximum authorised mass. A restriction may legally refer to either measurement, depending on the sign and local law.
Does the load count towards the weight limit?
Yes. Cargo, passengers, fuel, equipment and other carried items may all contribute to the vehicle’s actual loaded mass.
Does the driver’s weight count?
Where the restriction concerns actual loaded mass, the driver and other occupants are normally included.
Does a trailer count?
This depends on the wording of the restriction. It may apply to each vehicle separately or to the combined mass of the complete vehicle combination.
What is an axle-weight limit?
An axle-weight limit restricts the amount of mass carried by one axle or axle group rather than the total mass of the vehicle.
Why can axle load matter when total mass is legal?
A vehicle may comply with the total weight limit while too much of its load is concentrated over one axle, creating excessive stress on the road or bridge.
Where are weight limits commonly used?
They are often used at bridges, weak roads, historic centres, tunnels, temporary structures and roads unsuitable for heavy traffic.
Does the sign show the maximum capacity of a bridge?
Not necessarily. The displayed legal limit may include engineering and safety margins and should not be interpreted as the structure’s exact failure point.
May a vehicle exactly equal to the displayed weight pass?
A sign normally prohibits vehicles exceeding the displayed value. The driver must still be certain that the relevant mass does not exceed it.
How can a driver determine the actual mass?
The most reliable method is to use an authorised or suitable weighbridge. Vehicle documents alone normally show approved limits rather than the vehicle’s current loaded mass.
Can the mass be estimated from the cargo weight?
An estimate may help with planning, but it must include the vehicle, fuel, occupants, equipment, load and trailer. A weighbridge is preferable when the remaining margin is small.
Can moving a load change the total mass?
No. Moving cargo within the vehicle does not change its total mass, but it can change the load carried by each axle.
Can unloading part of the cargo make the vehicle legal?
Yes, when done lawfully and safely. The vehicle may continue only after its relevant mass complies and the remaining load is properly secured.
Can a temporary weight limit apply?
Yes. Temporary restrictions may protect a damaged bridge, weakened road, roadworks structure or road affected by flooding or thawing.
Can different lanes have different weight limits?
Yes. Lane-specific signs may direct heavier vehicles towards a lane or structure designed to carry them.
Can a weight restriction be announced in advance?
Yes. Advance signs may give the distance to the restriction or indicate a diversion so affected vehicles can choose another route.
Does a weight-limit sign impose a speed limit?
No. The applicable general, zonal or posted speed limit remains in force.
Does the sign change priority?
No. Traffic lights, priority signs and ordinary priority rules remain applicable.
What should you do when your vehicle exceeds the limit?
Do not continue. Stop where safe and follow a signed diversion or another route suitable for the vehicle’s mass.
Should you rely on a navigation system?
No. Navigation information may be incomplete or outdated. Traffic signs and official restrictions always take precedence.
May you reverse away from a restriction?
Only when reversing is lawful and can be completed safely. Use assistance where necessary, particularly with a long or heavy vehicle combination.
What can happen if an overweight vehicle continues?
The vehicle may damage the road or structure and may be stopped, fined, unloaded or prohibited from continuing under local law.
31. 速度取締表示
速度取締表示は、固定カメラ、移動式レーダー、ライダー、区間速度取締などで速度が監視される可能性を運転者へ知らせます。適用される速度制限を確認し守るよう促すものです。
この標識自体が速度制限を設定するものではありません。道路に適用される一般、標示、可変の速度制限に従い、取締表示を見たことだけを理由に急ブレーキをかけてはいけません。
What does a radar speed sign mean?
It warns that vehicle speeds may be measured or enforced on the road ahead or throughout a specified section.
Is a radar speed sign the same as a speed-limit sign?
No. A speed-limit sign establishes the maximum legal speed. A radar sign only warns that compliance with an applicable limit may be monitored.
Where can the applicable speed limit be found?
Check the most recent speed-limit sign, variable sign, speed-zone sign or general limit applying to the road and vehicle category.
Does the radar sign impose a lower speed?
No. It does not normally change the existing limit. Drivers must nevertheless travel more slowly when traffic, visibility, weather or road conditions require it.
Does the sign mean a camera is definitely present?
It may announce a permanent camera, a mobile-control area or a section where enforcement can occur. The exact meaning depends on the country and sign design.
Does the sign guarantee that the camera is active?
No. Drivers should never rely on assumptions about whether equipment is operating and should respect the speed limit at all times.
What is a fixed speed camera?
A fixed speed camera is permanently installed at a particular location and measures the speed of passing vehicles.
What is a mobile speed camera?
A mobile speed camera is temporarily positioned in a police vehicle, trailer, roadside unit or another approved location.
What is lidar speed enforcement?
Lidar uses laser pulses to measure the speed and position of vehicles. It may be used by police officers or in temporary automatic installations.
What is average-speed enforcement?
Average-speed enforcement records a vehicle at two or more points and calculates its average speed across the controlled section.
Can slowing only at the camera avoid an average-speed offence?
No. Average-speed enforcement considers the travel time across the complete measured section rather than speed at only one point.
Can a camera enforce both speed and red lights?
Yes. Some systems monitor vehicle speed and whether a vehicle passes a red traffic signal.
Is a radar warning sign legally required everywhere?
No. Some authorities announce speed cameras, while others permit enforcement without advance warning. The rules differ between countries and regions.
Can speed enforcement occur without a radar sign?
Yes. The absence of a warning sign does not normally prevent police or authorised authorities from carrying out a lawful speed check.
Does the sign give permission to drive at the displayed road limit?
The applicable limit remains a maximum rather than a target. Drivers must reduce speed whenever travelling at that limit would be unsafe.
Should you brake suddenly after seeing the sign?
No. Check your speed and reduce it smoothly when necessary. Sudden braking can cause a rear-end collision.
May you accelerate again after passing the camera?
Only while remaining within the applicable limit and driving safely. The restriction may continue, and another camera or average-speed section may follow.
Does the radar sign end the speed limit?
No. Passing a camera or radar sign does not end the applicable speed restriction.
What is a radar speed display?
A radar speed display measures an approaching vehicle and shows its current speed, sometimes with a colour, message or smiley symbol.
Is a radar speed display an enforcement camera?
Not necessarily. Many displays are preventive devices intended to make drivers aware of their speed and may collect anonymous traffic statistics without issuing penalties.
Is the displayed speed legally authoritative?
No. The roadside display is generally informational. Drivers remain responsible for observing the vehicle’s speedometer and the legal speed limit.
Can radar monitor motorcycles?
Yes. The technical ability to measure a motorcycle and the method used to identify it depend on the enforcement equipment.
Can a camera monitor several lanes?
Yes. Modern systems may measure vehicles in one or more lanes and may distinguish between traffic directions or vehicle categories.
Can different vehicles have different speed limits?
Yes. Heavy vehicles, buses, trailers or other vehicle categories may be subject to lower limits than passenger cars on the same road.
What should you do when you are already exceeding the limit?
Release the accelerator and reduce speed smoothly and safely. Do not brake harshly or make an abrupt lane change.
32. 選択式バリア
選択式バリアは、特定の道路利用者や許可車両だけを通過させ、その他の交通を制限する物理的なアクセス制御設備です。固定・可動・折り畳み・昇降式ボラード、ゲート、バリア、幅制限設備などがあります。
通行可能者はバリア自体ではなく、交通標識、進入条件、現地規則によって決まります。ゆっくり接近し、通行権限を確認し、可動バリアが完全に開くか収納されるまで待ってから進みます。
What is a selective barrier?
A selective barrier is a physical access-control device that blocks some traffic while allowing specified road users or authorised vehicles to pass.
What types of selective barriers exist?
Common examples include fixed bollards, removable posts, folding posts, retractable bollards, gates, rising barriers and width-filtering installations.
Why are selective barriers used?
They may prevent through traffic, protect pedestrian or cycling routes, control access to restricted areas or allow only residents, public transport, deliveries or emergency services to enter.
Does the barrier itself determine who may pass?
Not normally. The permitted users are determined by traffic signs, permits, access systems and local regulations.
May cyclists pass through a selective barrier?
Only when cycling is permitted and sufficient safe space is provided. Cyclists must follow the signs applying to the road or path.
May pedestrians pass through?
Pedestrians may pass where pedestrian access is permitted and a safe route is available. They should not walk beneath a moving gate or through a vehicle-only opening.
May motorcycles pass between bollards?
Only when motorcycles are legally permitted beyond the barrier and the opening is intended for them. Being physically able to fit through does not create permission.
May emergency vehicles pass?
Emergency vehicles may have keys, remote controls, automatic recognition or another authorised method of opening the barrier. Other road users must keep the access clear.
May residents or delivery vehicles enter?
They may enter only when local access rules, permits or traffic signs authorise them. Permission may apply only during specified hours.
What is a retractable bollard?
A retractable bollard is a post that can rise from or lower into the road surface to control vehicle access.
How may a retractable bollard be activated?
It may operate through a badge, remote control, access code, number-plate recognition, timer, control centre or automatic detection system.
When may you drive over a retractable bollard?
Only after confirming that you are authorised and the bollard is fully lowered. Do not move merely because another vehicle has activated it.
May you follow another authorised vehicle through?
No, unless your own access is also authorised and the system clearly permits it. The barrier may rise immediately after the first vehicle.
What do warning lights near a barrier mean?
Red lights normally require road users to stop, while another signal may indicate when passage is permitted. Follow the displayed signals and local instructions.
What should you do when the barrier is moving?
Stop at a safe distance and wait until it has completed its movement. Never drive, cycle or walk beneath a moving gate or across a rising bollard.
What if the barrier appears to be stuck?
Do not force, move or drive around it. Use the intercom or contact the operator, road authority or emergency service indicated at the location.
May you move a removable bollard yourself?
No, unless you are specifically authorised. Removing or repositioning access-control equipment may create danger and allow prohibited traffic to enter.
Does a lowered bollard mean everyone may enter?
No. Traffic signs and access restrictions remain applicable even when the physical barrier is temporarily open or lowered.
Does an open gate cancel a no-entry sign?
No. An open physical barrier does not cancel a regulatory traffic sign.
Does a selective barrier impose a speed limit?
Not by itself. Drivers must follow the applicable speed limit and approach slowly enough to stop before the installation.
Does it change priority?
No. Traffic lights, priority signs and ordinary priority rules remain applicable unless another traffic arrangement indicates otherwise.
May you stop or park in front of a selective barrier?
Do not stop or park where the vehicle would block authorised access, emergency services, pedestrians or cyclists.
Why are bollards dangerous for cyclists and motorcyclists?
They may be difficult to see, especially in darkness, congestion or poor weather. A collision can cause a rider to fall into nearby traffic or other obstacles.
How should cyclists approach bollards?
Reduce speed, identify the intended opening and pass through in a straight and controlled line. Avoid overtaking another cyclist at the barrier.
What should drivers do when leaving a restricted area?
Approach slowly, wait for the access system to respond and check for pedestrians and cyclists before crossing their route.
What if your vehicle strikes a barrier?
Stop safely, activate the hazard warning lights where appropriate and report the collision. Do not continue if the vehicle, barrier or access system may be damaged.
33. 次の交差点で優先
次の交差点で優先とは、特定道路を走る車両が、次の交差点で交差道路から進入する交通より優先されることを意味します。通常、優先側と譲る側の両方へ標識で示されます。
継続する優先道路とは異なり、この優先は指定交差点だけに適用されます。運転者は慎重に接近し、信号、交通整理員、横断場所、右左折規則、その他の標識にも従います。
What does priority at the next junction mean?
It means that drivers travelling on the indicated road have priority over traffic entering from intersecting roads at the next junction.
Is this the same as a priority road?
No. Priority at the next junction applies to one particular junction. A priority road normally keeps its priority across several junction until its status ends.
Is a main road always a priority road?
No. The term main road may describe a larger, busier or more important road, but legal priority is determined by traffic signs, signals and local rules.
How can you recognise priority at the next junction?
It may be indicated by a priority-junction sign showing a thick line for the priority route and thinner lines for the roads that must give way.
Does the thick line show the priority route?
Yes. On signs using a junction diagram, the thicker line normally represents the road followed by traffic with priority.
Does the priority route always continue straight ahead?
No. The priority route may turn left or right. A diagram or supplementary panel may show which branch retains priority.
What signs do drivers on the side roads normally see?
They commonly face a give-way or stop sign, requiring them to yield to traffic on the priority route.
Does priority from the right still apply?
Not when legally placed signs establish another priority arrangement at that junction. Drivers must follow the actual signs rather than the ordinary default rule.
Does the sign give priority at later junctions?
No. After passing the indicated junction, the priority arrangement at the next junction must be determined separately.
Does having priority mean you may enter without slowing down?
No. Approach at a safe speed and remain prepared for another road user to fail to give way.
Does having priority mean you must proceed first?
No. Priority is not an obligation to continue. Slow down or stop whenever proceeding would create danger.
May you enter a blocked junction?
No. Do not enter when congestion is likely to leave your vehicle stopped inside the junction and obstructing other traffic.
Does the sign impose a speed limit?
No. The applicable general, zonal, posted or vehicle-specific speed limit remains in force.
Does it give priority over pedestrians?
No. Drivers must still yield to pedestrians where crossings, traffic signals or turning rules require it.
Does it give priority over cyclists?
It regulates priority between traffic approaching the junction, but drivers must still respect continuing bike paths, cycle crossings and turning rules.
Must you signal when the priority route turns?
Yes, when following the route involves a change of direction and local law requires signalling. Priority does not remove the obligation to indicate.
Does signalling give you priority?
No. An indicator communicates your intended movement but does not allow you to endanger or obstruct another road user.
Must you yield to oncoming traffic when turning left?
Normally, yes. Priority over side-road traffic does not automatically give a left-turning driver priority over lawful oncoming traffic.
Do functioning traffic lights override the priority signs?
Functioning traffic lights normally control the junction instead of the priority signs. Local rules determine what applies when the lights are switched off or flashing.
Do authorised officers override the signs?
Yes. Instructions from an authorised traffic controller normally take precedence over signs, signals and ordinary priority rules.
Does the sign prohibit overtaking?
No. Overtaking remains subject to the ordinary rules, visibility, road markings and any separate prohibition signs.
Does the sign prohibit stopping or parking?
No. The ordinary stopping and parking rules and any local signs or markings remain applicable.
What applies after you pass the intersection?
The special priority indicated by the sign has been completed. At later junctions, follow the signs, signals or default priority rule applying there.
34. 信号機
信号機は、色灯、矢印、記号によって道路利用者が進行できる時、停止準備をする時、停止し続ける時を規制します。進行方向、車線、歩行者、自転車、公共交通ごとに別の信号がある場合があります。
青信号でも、進路が空いており、その動きが法的に許可される場合にのみ進めます。優先規則、右左折制限、車線表示、交通整理員の指示にも従う必要があります。
What are traffic lights?
Traffic lights are signals that use coloured lights, arrows or road-user symbols to regulate traffic movements.
What does a red traffic light mean?
A red light requires road users to stop before the stop line or signal and remain stopped until movement is permitted.
What does a steady amber light mean?
A steady amber light normally requires drivers to stop unless they are already too close to stop safely. It warns that the signal is changing to red.
What does a green traffic light mean?
A green light permits road users to pass the signal, but only when the route is clear and the intended movement is otherwise legal.
Does green mean that you have priority over everyone?
No. You may still have to give way to pedestrians, cyclists, oncoming traffic or other road users when turning or following a conditional arrow.
May you enter a blocked intersection on green?
No. Do not enter when congestion is likely to leave you stopped inside the intersection and obstructing crossing traffic.
Where should you stop at a red light?
Stop before the stop line. When no stop line is provided, stop before the traffic light or at another legally prescribed position.
May you cross the stop line and then stop?
No. The required stop must normally be completed before the stop line. Do not stop on a pedestrian or cycle crossing.
What if the light changes to amber while you are approaching?
Stop when this can be done safely. Continue only when you are already too close to stop without creating danger.
Should you accelerate to pass an amber light?
No. Do not accelerate to avoid stopping. Maintain control and stop unless doing so safely is no longer possible.
What do arrow-shaped traffic lights mean?
They have the same general meaning as circular lights, but the prohibition or permission applies only to the direction shown by the arrow.
What does a green arrow displayed with a red light mean?
It may permit travel in the indicated direction while other movements remain prohibited. Drivers may still have to give way to conflicting traffic and pedestrians.
Does a green arrow override a no-turn sign?
Not universally. Drivers must follow the complete local sign arrangement. A traffic signal does not necessarily cancel a separate regulatory prohibition.
May you turn right on red?
Only where local law or a specific sign or signal expressly permits it. There is no universal right to turn on red.
What does a flashing amber light mean?
It warns of a potential hazard and normally allows cautious passage. The ordinary priority arrangement remains applicable.
What should you do when the normal lights are flashing amber?
Reduce speed, observe the intersection carefully and follow the applicable priority signs or default priority rules.
What does a flashing red light mean?
Its meaning depends on local law. At railway crossings and some movable bridges, flashing red lights normally require road users to stop.
What do lane-control signals mean?
A red cross normally closes the lane, a green downward arrow opens it and an amber diagonal arrow instructs drivers to leave the lane in the indicated direction.
May you continue beneath a red lane-control cross?
No. Move out of the lane safely before reaching the red cross unless an authorised person or emergency rule directs otherwise.
What does an amber diagonal lane arrow mean?
It warns that the lane is closing or unavailable ahead. Drivers must move into the adjacent lane indicated by the arrow when safe.
Can separate lights apply to cyclists?
Yes. A signal displaying a bicycle symbol applies to the road users legally covered by that signal rather than to general motor traffic.
Can separate lights apply to pedestrians?
Yes. Pedestrian lights normally use red and green human figures to indicate whether pedestrians may begin crossing.
What does a flashing green pedestrian light mean?
It normally warns that the crossing period is about to end. Pedestrians who have not started should wait for the next green signal.
What if the pedestrian signal changes while someone is crossing?
A person who entered lawfully should continue without unnecessary delay. Turning drivers must allow the crossing to be completed safely.
Can buses and trams have separate traffic lights?
Yes. Public-transport signals may use bars, circles, triangles or other symbols that apply only to authorised service vehicles.
Do functioning traffic lights override priority signs?
They commonly replace the priority arrangement at that location. Priority signs may apply again when the normal signals are inactive or flashing.
Do instructions from a police officer override traffic lights?
Yes. Instructions from an authorised traffic controller normally take precedence over lights, signs, markings and ordinary rules.
What should you do when the lights are not working?
Reduce speed and follow the priority signs, temporary signals, authorised personnel or default priority rules that apply.
May you clear an intersection after the light turns red?
Yes, when you entered lawfully and must leave the intersection. Complete the movement cautiously without endangering other road users.
Does a green light impose a minimum speed?
No. Drivers may proceed but must continue at a safe and legal speed.
May you use a handheld phone while waiting at red?
This depends on local law. In many countries, a driver temporarily stopped in traffic is still considered to be driving and may not use a handheld device.
35. 信号機あり警戒
信号機あり警戒は、前方に信号機があることを運転者へ知らせる警戒標識です。信号が予想しにくい、遠くから見えにくい、停止準備に時間が必要な道路などで使われます。
接近時は必要に応じて減速し、前方信号を確認し、信号変化や交差点の待ち交通に備えて停止できるようにする必要があります。
What does a traffic lights warning mean?
A traffic lights warning alerts drivers that traffic signals are located ahead.
Why is a traffic lights warning sign used?
It may be used where traffic lights are unexpected, difficult to see sufficiently early or located on a road where advance warning improves safety.
How should you react to a traffic lights warning?
Remain alert, reduce speed when necessary and be prepared to stop at the traffic lights or behind waiting traffic.
36. 歩行者信号
歩行者信号は、歩行者が道路を横断し始めてよい時を規制する信号です。通常、赤い立ち姿で横断開始を禁止し、青または緑の歩行姿で横断を許可します。
点滅表示やカウントダウンで横断可能時間の終了を知らせることがあります。歩行者は不必要に遅れず横断し、右左折車は注意して、適法に横断を開始した歩行者が安全に渡り終えられるようにします。
What are pedestrian lights?
Pedestrian lights are traffic signals that indicate when pedestrians may begin crossing a road.
How can you recognise pedestrian lights?
They commonly display a red standing person and a green walking person. Their design may vary between countries.
What does the red pedestrian light mean?
It means that pedestrians must not begin crossing.
What does the green pedestrian light mean?
It means that pedestrians may begin crossing, provided they still observe the road and cross without unnecessary delay.
Does green guarantee that no vehicle will cross your path?
No. Turning vehicles, emergency vehicles or traffic following another authorised signal may still cross the pedestrian route. Pedestrians should remain attentive.
What does a flashing green pedestrian light mean?
It normally warns that the permitted crossing period is about to end. Pedestrians who have not started should consider waiting for the next green signal.
What does a flashing red pedestrian light mean?
Its meaning varies between countries. It commonly means that pedestrians must not begin crossing, while those already on the road should finish without delay.
What does a countdown display mean?
A countdown may show approximately how much time remains before the signal changes. It does not remove the duty to cross cautiously.
May you begin crossing when the countdown is nearly finished?
Begin only when there is enough time to cross safely and without stopping unnecessarily on the road. Waiting for the next green phase may be safer.
What if the signal changes to red while you are crossing?
Continue crossing at a normal pace towards the nearest safe side. Do not turn back suddenly, stop unnecessarily or run into another traffic stream.
Must drivers allow pedestrians to finish crossing?
Yes. Drivers should allow pedestrians who entered lawfully to complete the crossing safely, even when vehicle traffic receives permission to proceed.
May turning drivers cross during the pedestrian green phase?
Some signal systems permit turning vehicles and pedestrians at the same time. Turning drivers must give way where required and must not endanger pedestrians.
What is a conflict-free pedestrian phase?
It is a signal phase during which conflicting vehicle movements are stopped so pedestrians can cross without permitted traffic turning across their route.
What is an all-pedestrian phase?
It is a phase in which pedestrians may cross several or all approaches while vehicle traffic is stopped. Diagonal crossing is permitted only when the signals and markings allow it.
What do arrows around a pedestrian symbol mean?
They may indicate that the same pedestrian signal applies simultaneously to several crossing directions. The exact meaning depends on local law.
What should pedestrians do before stepping onto the road?
Check that approaching and turning vehicles are stopping and that the route is clear. A green signal does not make a collision impossible.
Must pedestrians cross without delay?
Yes. They should proceed at a normal pace and should not linger, stop unnecessarily or obstruct traffic on the crossing.
What if there are no pedestrian lights?
Pedestrians may have to follow the traffic lights controlling vehicles, an authorised officer or the ordinary pedestrian-crossing rules.
What is a pedestrian push button?
A push button normally registers a request for a pedestrian crossing phase. Pressing it does not itself permit crossing; pedestrians must wait for the appropriate signal.
Does repeatedly pressing the button make the signal change faster?
Normally not. Once the request has been registered, additional presses usually have no effect.
What are audible pedestrian signals?
Audible signals use sounds to help pedestrians with visual impairments identify when crossing is permitted or when the signal is changing.
What are tactile pedestrian signals?
Tactile signals may use a vibrating button, rotating cone or raised markings to provide crossing information to pedestrians with visual impairments.
Do pedestrian lights apply to cyclists?
Not normally. A cyclist riding a bicycle must follow the applicable cycle or vehicle signal unless a combined pedestrian-and-cycle signal applies.
What if a cyclist walks beside the bicycle?
A person walking beside a bicycle is normally treated as a pedestrian and follows the pedestrian signal.
What are combined pedestrian-and-cycle lights?
They display pedestrian and bicycle symbols and apply to the road users indicated by those symbols.
May pedestrians cross when an authorised officer signals them to wait?
No. Instructions from an authorised traffic controller normally take precedence over pedestrian lights.
What should you do when the pedestrian lights are not working?
Cross only according to the functioning vehicle signals, priority rules and instructions from authorised personnel. Proceed cautiously and take approaching traffic into account.
37. 全方向一時停止
全方向一時停止は、交差点へ進入するすべての方向の交通が停止を義務付けられる交差点です。通常、各進入口にSTOP標識があり、信号なしで交差道路の交通を制御するために使われます。
すべての運転者は完全停止し、安全かつ許可されている場合にのみ進行します。どの車両が先に進めるかの規則は国により異なるため、最初に到着した車が常に優先と決めつけず現地の優先規則に従います。
What is an all-way stop?
An all-way stop is an intersection where drivers approaching from every direction are required to stop before entering.
Who goes first at an all-way stop?
The applicable priority rules depend on the country. Some countries use arrival order and additional right-of-way rules, while others apply different rules, so drivers should follow the local traffic regulations.
Do you still have to stop when no other traffic is present?
Yes. Where a stop sign requires a complete stop, the driver must stop even when no other vehicles or road users are visible.
38. 非常電話
非常電話は、道路利用者を緊急、交通管制、ロードサービスのセンターへ直接つなぐ専用電話です。トンネル、高速道路など、事故、故障、火災を素早く通報することが重要な場所に設置されます。通報者の位置情報をオペレーターへ伝えやすく、携帯電話の電波が弱い場所でも利用できる場合があります。
What is an emergency telephone?
An emergency telephone is a dedicated telephone used to contact emergency services, a traffic-control centre or roadside assistance from the road.
Where are emergency telephones commonly found?
They are commonly installed in road tunnels, motorway emergency areas and other locations where rapid assistance may be needed.
When should you use an emergency telephone?
Use an emergency telephone to report situations such as a breakdown, accident, fire or other serious road emergency when assistance is required.
Why use an emergency telephone instead of a mobile phone?
An emergency telephone may allow the operator to identify your location immediately and connect you directly with the responsible control centre. It can also be useful where mobile reception is poor.
Are emergency telephones available on every motorway?
No. Their availability varies between countries and road networks. Mobile phones and emergency apps have replaced many traditional roadside call boxes.
Is an emergency telephone free to use?
Dedicated emergency telephones are generally intended for emergency assistance and do not require normal telephone payment, although systems vary between countries.
39. 駐車禁止
駐車禁止は、指定場所または対象区間に車両を駐車してはならないことを示します。現地法によっては、停止自体が禁止されていなければ乗客の乗降や荷物の積み下ろしのため短時間停止できる場合があります。
規制は常時または指定時間、曜日、車種、道路区間だけ適用されることがあります。範囲と例外は標識、補助標識、路面表示、現地規則で決まります。
What does a no-parking sign mean?
A no-parking sign prohibits leaving a vehicle parked in the area or along the section of road to which the restriction applies. The exact legal definition of parking and the extent of the prohibition vary between countries.
Is no parking the same as no stopping?
No. A no-parking restriction commonly still permits certain brief stops, such as picking up or dropping off passengers or loading or unloading goods. A no-stopping restriction is stricter and generally prohibits voluntary stopping as well as parking.
Can you wait in your vehicle where parking is prohibited?
Remaining inside the vehicle does not necessarily mean that it is not parked. If the vehicle remains stationary beyond what local law permits as a brief stop, it may legally be considered parked even when the driver stays inside.
Can you pick up or drop off passengers in a no-parking area?
Often yes, if stopping is permitted and the vehicle remains there only as long as reasonably necessary for passengers to get in or out. Local rules may impose stricter restrictions at particular locations.
Can you load or unload goods where parking is prohibited?
In many countries, genuine loading or unloading is treated as stopping rather than parking and may therefore be permitted. The vehicle should remain there only for the time reasonably necessary for the activity.
How far does a no-parking restriction apply?
This depends on the country's signing rules. The restriction may continue to the next intersection, an end sign, a stated distance or the end of a designated zone. Supplementary arrows or distance panels may indicate its exact extent.
Does a no-parking sign apply on both sides of the road?
Usually a roadside no-parking sign applies only to the side of the road on which it is placed, unless it forms part of a zonal restriction or local signs indicate otherwise.
Can a no-parking restriction apply only at certain times?
Yes. A supplementary panel may restrict the prohibition to particular hours, days or periods. Outside those periods, parking may be permitted if no other rule prohibits it.
Can a no-parking restriction apply only to certain vehicles?
Yes. Additional signs or symbols may make a parking restriction applicable to particular vehicle categories, such as heavy vehicles, motorcycles or other specified vehicles.
Can you park immediately after a no-parking sign ends?
Only if parking is otherwise legal. The end of a specific no-parking restriction does not override general parking prohibitions near crossings, intersections, driveways, traffic signs or other protected locations.
40. 停車禁止
停車禁止は、乗客の乗降や荷物の積み下ろしのための短時間停止も含め、指定場所で任意に停止してはいけないことを意味します。駐車禁止より厳しい規制です。
標識、路面表示、地域規則で示されます。交通状況、緊急事態、法的義務によって停止を強制される場合を除き、停車可能な場所まで進む必要があります。
What does a no stopping restriction mean?
It means that a driver may not voluntarily stop the vehicle in the restricted area. The prohibition normally includes stopping to pick up or drop off passengers or to load or unload goods.
What is the difference between no stopping and no parking?
No stopping is the stricter restriction. A no-parking rule may still allow a brief stop for activities such as picking up passengers or loading goods, while a no-stopping rule prohibits these voluntary stops as well.
Can you stop in a no-stopping area during an emergency?
A driver may have to stop because of an emergency, traffic conditions, a red light, police instructions or another situation outside the driver's control. Such compulsory stops are generally different from voluntarily stopping the vehicle.
41. 縦列駐車
縦列駐車は、道路端に平行に車両を駐車する方法で、通常は2台の駐車車両の間のスペースへ入れます。道路沿いに駐車枠が並ぶ場所で一般的です。
通常、空きスペース横に車を位置付け、ミラー、死角、周囲の交通を確認しながら後退して入れます。許可された駐車範囲内に収め、他の道路利用者を妨げない範囲で道路端に十分近づけます。
What is parallel parking?
Parallel parking means positioning a vehicle parallel to the edge of the road, typically between vehicles already parked along the kerb or roadside.
What should you check before parallel parking?
Check mirrors and blind spots, signal when required and make sure there is enough space to complete the manoeuvre without endangering pedestrians, cyclists or other traffic.
How should a vehicle be positioned after parallel parking?
The vehicle should be completely within the permitted parking area, reasonably close to the road edge and positioned so that it does not unnecessarily obstruct traffic or access to other vehicles.
42. 障害者用駐車
障害者用駐車は、適用要件を満たす障害者のために確保された駐車枠や駐車特例です。通常、国際的な車いす記号で示され、施設へ容易にアクセスできる位置に配置されます。
利用には一般に有効な障害者駐車許可証やカードが必要です。許可証は通常、特定車両ではなく対象者に属し、その人が運転または同乗している場合にのみ使用できます。
Who may use a disabled parking space?
Disabled parking spaces are intended for eligible people who hold a valid disabled parking permit or card. The exact eligibility requirements and permit system depend on the country.
Can someone use a disabled parking permit when the holder is not present?
Generally no. Disabled parking permits are normally personal and may only be used when the permit holder is driving or travelling in the vehicle.
Does a disabled parking permit always provide free parking?
No. A permit may provide access to reserved spaces or exemptions from certain parking restrictions, but rules concerning parking charges and time limits vary between countries and local authorities.
43. 交通管理
交通管理は、道路利用者を組織的に制御、規制、誘導し、安全、交通流、道路の効率的利用を改善することです。信号、標識、路面表示、車線規制、可変速度制限、迂回、係員の指示などがあります。
交通管理は恒久的または一時的です。工事、渋滞、事故、イベントなどでは一時措置が導入されます。通常の道路配置と異なっていても、その場所の標識、信号、指示に従います。
What is traffic management?
Traffic management is the organised control and guidance of traffic using signs, signals, road markings, lane controls, speed restrictions, diversions and other measures.
Why is traffic management used?
Traffic management is used to improve safety, control traffic flow and reduce disruption. It can also protect road workers, pedestrians, cyclists and emergency services.
How can traffic be managed?
Common methods include traffic lights, road signs, road markings, variable-message signs, lane-control signals, temporary barriers, speed restrictions and diversions. Authorised persons may also direct traffic.
Can traffic management change the normal speed limit?
Yes. Temporary or variable speed-limit signs may impose a different maximum speed because of congestion, roadworks, weather, incidents or other conditions. Drivers must follow the limit currently displayed.
Can traffic management change which lanes you may use?
Yes. Lane-control signals, temporary signs or road markings may close lanes, move traffic into different lanes or require drivers to change lane. Follow the current signs and markings rather than the normal road layout.
What should you do when a traffic lane is closed?
Move into an open lane safely and in good time, following any arrows, signs and local merging rules. Never continue along a lane that is clearly indicated as closed.
Can temporary traffic signs be compulsory?
Yes. Properly authorised temporary signs used for roadworks, incidents or other traffic-management measures must be obeyed in the same way as other official traffic signs.
What should you do when an authorised person directs traffic?
Follow the directions of the authorised person. In many countries, these directions take precedence over traffic lights, road signs or the normal traffic rules.
How is traffic managed around roadworks?
Roadworks may use temporary speed limits, lane closures, barriers, temporary markings, traffic lights and diversions. Road users should reduce speed where necessary and carefully follow the temporary route.
Does traffic management also protect pedestrians and cyclists?
Yes. Temporary or permanent traffic arrangements should account for pedestrians and cyclists as well as motor vehicles. They may be provided with separate routes, crossings, signals or diversions where necessary.
44. 後退
後退は車両を後ろ向きに動かすことです。駐車、狭い場所から出るとき、前進では位置調整できない場合などに使われます。
後退前にミラーと死角を確認し、車両周囲をよく見て後方が空いていることを確かめます。後方視界は限られるため、ゆっくり、必要な距離だけ後退します。
What should you check before reversing?
Check behind and around the vehicle for pedestrians, cyclists, other vehicles and obstacles. Use mirrors and cameras where available, but also look directly because monitoring systems can have blind spots.
Who has priority when a vehicle is reversing?
In many countries, reversing is treated as a manoeuvre and the reversing driver must give way to other road users. The exact legal requirements depend on national traffic rules.
Should you reverse for a long distance?
No. Reversing should normally be limited to the distance necessary to complete the manoeuvre safely. Driving forward generally provides better visibility and vehicle control.
45. Uターン
Uターンは、車両が向きを変え、来た方向と反対へ走行する運転操作です。通常は車道の一部を横切り、反対方向の交通へ入り直します。
周囲の交通、歩行者、自転車を確認し、必要な合図を行い、十分な視界と空間があることを確認して安全に行います。標識や特定道路ではUターンが禁止されることがあります。
What is a U-turn?
A U-turn is a manoeuvre used to reverse a vehicle's direction so that it continues along the road in the opposite direction.
What should you check before making a U-turn?
Check traffic in all relevant directions, mirrors and blind spots, and look for pedestrians, cyclists and other road users. Make sure there is sufficient visibility and space and that the manoeuvre is permitted.
Can you make a U-turn anywhere?
No. U-turns may be prohibited by traffic signs or road rules and should never be attempted where visibility, road layout or traffic conditions make the manoeuvre unsafe.
46. 迂回路
迂回路は、通常経路が閉鎖、遮断、利用不能なときに使う一時的な代替経路です。工事、事故、イベント、洪水などで設定されます。仮設方面標識に注意し、必要に応じて減速し、慣れない道路、変更された優先関係、増加した交通を予想して運転します。
What is a detour?
A detour is an alternative route that directs traffic around a closed, blocked or restricted section of road.
Why are detours used?
Detours may be introduced because of roadworks, accidents, flooding, public events or other temporary obstructions that prevent normal use of the road.
Do you have to follow a detour?
Drivers must follow mandatory traffic signs and authorised traffic directions. A signed detour should be followed when the normal route is closed or restricted.
Are detours always temporary?
Most detours are temporary and remain in place only while the normal route is unavailable, although they can sometimes last for an extended period during major works.
Should you drive differently on a detour?
Yes. Detours may use unfamiliar or smaller roads, so drivers should reduce speed where necessary, watch for changed priorities and follow temporary signs carefully.
What is the difference between a detour and a diversion?
Detour and diversion generally describe the same concept: an alternative route around a road that cannot be used normally. The preferred term varies between countries and languages.
47. 無規制交差点
無規制交差点は、特定の進入方向に対する優先が信号、交通整理員、優先指定標識で明確に定められていない交差点です。その国の既定交通規則により誰が優先か判断します。
国によって右方優先、左方優先、その他の既定優先規則があります。慎重に接近して全方向を確認し、道路幅が広い、交通量が多いという理由だけで優先と決めつけてはいけません。
What is an uncontrolled crossroad?
An uncontrolled crossroad is an intersection where priority is not specifically assigned by traffic lights, an authorised person or priority signs. Drivers must use the default priority rules of the country.
Who has priority at an uncontrolled crossroad?
This depends on the local traffic law. Some countries use priority from the right, while others use different rules. Drivers should know the default intersection rule of the country in which they are driving.
Does the wider road automatically have priority?
Not necessarily. The width, surface or amount of traffic on a road does not by itself determine priority unless local law specifically provides otherwise.
Should you slow down at an uncontrolled crossroad?
Yes. Approach at a speed that allows you to observe approaching traffic, determine who has priority and stop safely if necessary.
Do cyclists have to follow the priority rules at an uncontrolled crossroad?
Yes. Cyclists generally follow the applicable intersection priority rules unless a specific cycle facility, sign or local rule provides otherwise.
Does driving straight ahead automatically give you priority?
No. Continuing straight ahead does not automatically give priority over traffic approaching on another road. The applicable priority rules must still be followed.
Does turning right or left change the priority rules?
Turning may create additional obligations, particularly towards pedestrians, cyclists or opposing traffic. Drivers must follow both the intersection priority rule and the rules governing the intended turn.
What if two vehicles reach an uncontrolled crossroad at the same time?
Apply the country's default priority rule. Do not rely simply on which vehicle appears to have arrived first unless local law specifically uses that rule.
What if the traffic lights at an intersection are not working?
The intersection is not necessarily completely uncontrolled. Priority signs, road markings and default priority rules may still determine who must give way. Drivers should approach with particular caution.
What should you do if you are unsure who has priority?
Reduce speed and be prepared to stop. Never force your way through an intersection simply because the priority situation is unclear.
48. 路面
路面状態警戒は、前方路面が凹凸、破損、不良状態で、車両の安定性、操舵、制動へ影響する可能性を示します。段差、窪み、穴、舗装破損などが含まれます。
必要に応じて減速し、安全な車間距離を保ち、不整路面上では急な操舵や制動を避けます。標識の意味や形は国によって異なるため、現地の交通標識と規則に従います。
What does a road surface warning mean?
A road surface warning indicates that the surface ahead may be uneven, damaged or otherwise capable of affecting the safe movement of vehicles.
What kinds of road defects can the warning indicate?
Depending on the country, it may warn of bumps, depressions, potholes, broken pavement, uneven repairs or other surface irregularities.
What should you do when you see a road surface warning?
Reduce speed where necessary, increase your awareness of the road ahead and be prepared for changes in the vehicle's stability or direction.
Does a road surface warning impose a specific speed limit?
Not normally. A warning sign alerts drivers to a hazard rather than establishing a numerical speed limit. A separate speed-limit sign may be used where a particular maximum speed is required.
Should you brake before reaching an uneven road surface?
Where slowing is necessary, it is generally safer to reduce speed before reaching the irregular surface rather than braking sharply while travelling over it.
Why can an uneven road surface be dangerous?
A severe surface irregularity can affect tyre contact, steering, braking and vehicle stability. It can also damage tyres, wheels or suspension components.
Are motorcycles and bicycles particularly affected by uneven surfaces?
Yes. Two-wheeled vehicles can be particularly sensitive to potholes, ridges and other irregularities because these hazards may disturb their balance or alter their direction suddenly.
Is an uneven-road warning the same as a slippery-road warning?
No. An uneven-road warning concerns the physical condition or shape of the road surface. A slippery-road warning concerns reduced tyre grip caused by the surface or conditions such as water, ice, mud or other substances.
Can the warning apply over a longer section of road?
Yes. A supplementary sign may indicate the distance to the hazard or the length of the affected section, depending on the country's traffic-sign system.
Should you increase your following distance on a poor road surface?
Yes, when conditions require it. Additional distance provides more time to react if the vehicle ahead slows suddenly to avoid a pothole or other surface defect.
49. 緊急車線
緊急車線は、高速道路など高速度道路の本線車線横に設けられ、通常の交通には使わない帯状部分です。故障車や緊急事態の車両を停める場所として使われ、地域規則により緊急車両や認可サービス車両が使用する場合もあります。
運転者は通常の走行車線として緊急車線を使用してはいけません。緊急のため停止する場合は、適用される安全手順に従い、乗員は走行交通から可能な限り離れます。
What is an emergency lane?
An emergency lane is a lane or strip beside the normal traffic lanes that is primarily intended for emergencies, breakdowns and authorised vehicles.
Can you normally drive in an emergency lane?
No. Emergency lanes are generally not intended for ordinary traffic, although specific countries may permit their use in certain situations or when indicated by traffic signs or signals.
What should you do if your vehicle breaks down in an emergency lane?
Stop as far from moving traffic as safely possible, activate the hazard warning lights and follow the country's breakdown procedures. Occupants should avoid remaining close to moving traffic and move to a safer location when possible.
50. 仮運転免許
仮運転免許は、本免許取得前に学習者が公道で運転練習することを許可する免許です。国によって条件は異なり、認定同乗者の必要性、運転できる車両、運転できる場所や時間、有効期間などが定められます。通常、本免許より厳しい規則が適用され、運転技術を学び実地経験を積むためのものです。
What is a provisional driving licence?
A provisional driving licence allows a learner driver to practise driving under specified conditions before obtaining a full driving licence.
Can you drive alone with a provisional licence?
This depends on the type of provisional licence and local rules. Some licences require an approved supervisor, while others allow the learner to practise alone after completing specified training.
How long is a provisional licence valid?
The validity period varies between countries and licence types. If it expires before the learner passes the practical exam, additional conditions may apply before another provisional licence can be obtained.
Can you drive abroad with a provisional licence?
Often not. A provisional licence may be valid only in the country that issued it. Learners should check the applicable rules before attempting to drive abroad.
Are there restrictions on when a learner may drive?
Yes, in some countries. Provisional licences may include restrictions on night driving, passengers, trailers, vehicle types or certain roads.
Do you need to display a learner sign?
Many countries require a learner vehicle to display an L plate or another learner-driver sign. The design and conditions vary by country.

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