道路標識ウルグアイ

わかりやすい説明と視覚的な例を使った図解付きの本で、交通ルールをシンプルかつ楽しく学べます。


26. セミトレーラートラック

セミトレーラートラックは、主に貨物輸送に使われるトラクターヘッドとセミトレーラーの組み合わせです。セミトレーラーは、自身の車輪だけでなく重量のかなりの部分をトラクター側で支えるよう連結されます。

長距離貨物輸送で一般的で、コンテナ、冷蔵品、液体、ばら積み貨物などを運びます。運転免許、最大寸法・質量、速度制限、車線利用、追い越し、積載、運転・休憩時間に特別規則が適用される場合があります。

セミトレーラートラック
What is a semi-trailer truck?

A semi-trailer truck consists of a powered road tractor coupled to a semi-trailer primarily used to transport goods.

What is a semi-trailer?

A semi-trailer is a trailer designed so that part of the trailer and a significant part of its load are supported by the towing tractor.

What is the difference between a semi-trailer and an ordinary trailer?

An ordinary trailer generally supports its own weight through its axles, while a semi-trailer transfers a substantial vertical load to the tractor through its coupling.

How is a semi-trailer connected to the tractor?

The semi-trailer is normally connected through a kingpin and fifth-wheel coupling mounted behind the tractor cab.

Why are semi-trailer trucks called articulated vehicles?

The tractor and semi-trailer are connected by a pivoting coupling, allowing the two parts to turn relative to each other when the combination changes direction.

Do you need a special licence to drive a semi-trailer truck?

Yes. Heavy articulated trucks normally require a heavy-goods-vehicle licence that also authorises the driver to tow a heavy trailer or semi-trailer. The precise licence categories differ between countries.

Do semi-trailer trucks have lower speed limits?

They often do. Many countries impose vehicle-specific maximum speeds on heavy goods vehicles, particularly on motorways and other high-speed roads.

Why do semi-trailer trucks need more space to turn?

The semi-trailer's rear wheels follow a tighter path than the tractor's front wheels. Drivers therefore need additional space when turning, particularly at narrow intersections.

Why should you leave extra distance behind a semi-trailer truck?

Large trucks can restrict your view of traffic ahead and require considerable stopping distance. Keeping an appropriate following distance improves visibility and reaction time.

Why should you take care when driving beside a semi-trailer truck?

Large trucks have substantial blind spots around the cab and trailer. Avoid remaining beside the vehicle unnecessarily and be particularly careful when the truck is turning or changing lane.

27. トロリーバス

トロリーバスは、通常、車両に取り付けた集電装置を通じて架空電線から電力を得る電気バスです。トラムと異なり通常のゴムタイヤで道路を走行し、レールではなく運転者が操舵します。

主に公共旅客輸送に使われ、バスレーン、停留所などの公共交通設備を利用することがあります。現代の一部車両はバッテリーや補助電源を備え、架線から離れて短距離走行できます。

トロリーバス
What is a trolleybus?

A trolleybus is an electrically powered bus that normally receives electricity from overhead wires while travelling on ordinary road wheels.

Is a trolleybus the same as a tram?

No. A tram runs on rails and follows the path of its tracks. A trolleybus has ordinary tyres and is steered like a conventional bus.

Is a trolleybus an electric bus?

Yes. A trolleybus uses an electric motor, but unlike a battery-electric bus it traditionally receives most or all of its operating power from overhead electrical wires.

How does a trolleybus receive electricity?

Electrical current is normally collected from overhead wires through poles or another current-collection system mounted on the vehicle.

Can a trolleybus drive without overhead wires?

Some trolleybuses can. Modern vehicles may have batteries or auxiliary motors that allow limited operation away from the overhead wiring.

Can a trolleybus change lane?

Yes. Because it is steered rather than rail-guided, a trolleybus can move sideways within the range permitted by its overhead electrical connection and road layout.

Can trolleybuses use bus lanes?

Yes, where local rules permit. Trolleybuses operating public-transport services can normally use infrastructure reserved for authorised buses and public transport.

Do trolleybuses have priority when leaving stops?

This depends on the local traffic law. Some countries require other drivers to allow public-transport buses, including trolleybuses, to leave designated stops.

Should drivers slow down near a stopped trolleybus?

Yes. Passengers may be boarding, leaving or crossing the roadway. Drivers should approach carefully and give passengers sufficient space where required.

Does a trolleybus produce exhaust emissions?

A trolleybus operating entirely on electric power produces no combustion-engine exhaust emissions at the vehicle. Non-exhaust emissions from tyres, brakes and road wear can still occur.

28. スピードペデレック

スピードペデレックは、通常の電動アシスト自転車のアシスト上限を超えて、一般に約45 km/hまでペダルアシストを継続できる高速電動アシスト自転車です。ペダルを備え、主としてペダリングを補助する設計です。

高速であるため、通常の自転車や電動自転車とは異なる法的扱いを受けることがあります。国により最低年齢、運転免許、ヘルメット、登録、保険、自転車道利用、通行可能道路に特別規則が適用されます。

スピードペデレック
What is a speed pedelec?

A speed pedelec is an electrically assisted pedal cycle capable of providing motor assistance at higher speeds than an ordinary electric bicycle, commonly up to approximately 45 km/h.

What is the difference between a speed pedelec and an ordinary electric bicycle?

An ordinary electrically assisted bicycle normally stops providing motor assistance at a lower speed, commonly around 25 km/h. A speed pedelec can continue assisting the rider at higher speeds.

Do you still have to pedal a speed pedelec?

Normally yes. A speed pedelec is primarily designed to provide assistance while the rider pedals, although limited walking or starting assistance may also be provided.

Can a speed pedelec travel at 45 km/h?

Many speed pedelecs are designed to provide assistance up to approximately 45 km/h. The actual permitted speed must still comply with the local speed limit and traffic conditions.

Do you need a driving licence for a speed pedelec?

This depends on the country's legal classification. Some countries classify speed pedelecs similarly to mopeds and require an appropriate driving licence.

Is a helmet compulsory on a speed pedelec?

Helmet requirements vary between countries, but because speed pedelecs travel considerably faster than ordinary bicycles, specific helmet requirements commonly apply.

Does a speed pedelec need a licence plate?

In countries where speed pedelecs are classified as mopeds or another motor-vehicle category, registration and a licence plate may be compulsory.

Does a speed pedelec need insurance?

This depends on its technical characteristics and local law. Some jurisdictions require motor-vehicle liability insurance, while others exempt pedal-assisted speed pedelecs under specified conditions.

Can a speed pedelec use a cycle path?

This depends on the country, road speed limit and traffic signs. Speed pedelecs may be permitted, required or prohibited on particular cycle paths.

Can a speed pedelec use a motorway?

Speed pedelecs are generally unsuitable for motorways and are commonly prohibited where mopeds or low-speed vehicles are not permitted. Follow the local access rules.

Can you carry a passenger on a speed pedelec?

This depends on the vehicle's construction and local rules. Where passengers are permitted, the speed pedelec must be designed and equipped to carry them safely.

Is a speed pedelec the same as an electric moped?

No. A speed pedelec is primarily designed to provide pedal assistance, while an electric moped can normally propel itself without requiring the rider to pedal. Their legal classifications may nevertheless be closely related.

29. 配送車両

配送車両は、住宅、事業所などへ商品、小包、物資、その他の品物を運搬・配達する車両です。荷物の種類や量に応じて、バン、トラック、乗用車、オートバイ、カーゴバイクなどが使われます。

車両区分に応じた通常の交通規則に加え、積み降ろし、進入制限区域、駐車、車両寸法、低排出ゾーンなどの特別規則に従います。配達許可があるからといって、どこでも停車・駐車できるわけではありません。

配送車両
What is a delivery vehicle?

A delivery vehicle is a vehicle used to transport goods, parcels, supplies or other items to a particular destination.

Is a delivery vehicle always a van or truck?

No. Deliveries can be made using vans, trucks, cars, motorcycles, cargo bicycles or other suitable vehicles.

Can a delivery vehicle stop to load or unload goods?

Yes, where stopping is legally permitted. Many traffic systems distinguish genuine loading or unloading from ordinary parking when the vehicle remains only for the time necessary to perform the activity.

Can a delivery driver wait in a loading area?

A loading area is intended for active loading or unloading. Remaining there after the delivery activity has finished may constitute parking and may therefore violate the applicable restrictions.

Can delivery vehicles use restricted streets?

Sometimes. Traffic signs may provide an exception for deliveries, loading and unloading or local access. The driver must comply with any times, vehicle restrictions or other conditions shown.

Can delivery vehicles enter pedestrian zones?

Only where local rules or signs specifically allow delivery access. Access may be limited to certain hours, and vehicles may be required to travel at very low speed and give priority to pedestrians.

Can a delivery vehicle park on a pavement or cycle path while unloading?

Not automatically. Loading or unloading does not override general stopping restrictions or rules protecting pavements, cycle paths and other road users.

Can a delivery vehicle use hazard warning lights while illegally stopped?

No. Hazard warning lights warn other road users but do not make an otherwise prohibited stopping or parking position legal.

Can delivery vehicles be restricted by low-emission zones?

Yes. Vans and trucks may be subject to low-emission-zone requirements based on factors such as fuel type, vehicle category and emission standard.

Should drivers take extra care around delivery vehicles?

Yes. Delivery vehicles may stop frequently, reverse, open doors or move between the roadway and loading areas. Other road users should allow sufficient space and anticipate pedestrians or workers moving around the vehicle.

30. アイドリング

アイドリングは、車両が停止しており、エンジンが車両移動に使われていない状態でもエンジンを作動させ続けることです。待機、駐車、積み降ろし、出発前などに起こります。

不必要なアイドリングは燃料を消費し、排気ガス、大気汚染、騒音を発生させます。多くの国や地方自治体では長時間または不必要なアイドリングを制限していますが、安全、技術設備、その他必要な目的でエンジンが必要な場合は例外となることがあります。

What is idling?

Idling means keeping a vehicle's engine running while the vehicle remains stationary and the engine is not being used to propel it.

Why should unnecessary idling be avoided?

Unnecessary idling uses fuel, produces exhaust emissions and creates noise without moving the vehicle.

Is idling illegal everywhere?

No. Rules differ between countries and local authorities. Some prohibit unnecessary idling generally, while others restrict it only in particular locations or circumstances.

Does an idling engine still produce exhaust emissions?

Yes. A combustion engine continues to produce exhaust gases while running even though the vehicle is not moving.

Does idling use fuel?

Yes. A combustion engine consumes fuel while it remains running, even when the vehicle is stationary.

Should you leave the engine running while waiting for someone?

Where it is safe and legal to switch the engine off, unnecessary prolonged idling should generally be avoided. Local rules may specifically require the engine to be switched off.

Is waiting at a red traffic light the same as parking with the engine idling?

No. A vehicle temporarily prevented from moving by traffic conditions is different from a vehicle voluntarily parked or waiting. The rules concerning engine shutdown may therefore differ.

Can an engine remain running when vehicle equipment needs power?

Some laws provide exceptions when the engine is genuinely required to operate refrigeration, hydraulic equipment, emergency equipment or another essential system. The precise exceptions depend on local law.

Should you rev the engine while stationary?

Unnecessary engine revving should be avoided because it increases noise, fuel consumption and emissions. It may also be specifically prohibited by local traffic or noise regulations.

Do electric vehicles idle?

Not in the conventional combustion-engine sense. An electric vehicle can remain stationary while switched on without an internal-combustion engine running, although electrical systems such as heating or air conditioning may still consume energy.

31. レッカー車

レッカー車は、故障、損傷、不適切な駐車などにより通常走行できない車両を救援、牽引、持ち上げ、運搬する特殊車両です。リフト、ウインチ、ホイールリフト、積載平台などを使用します。

移動中の交通の近くで作業するため、作業中は警光灯などの安全装備を使用するのが一般的です。救援作業へ近づく運転者は必要に応じて減速し、十分な間隔を取り、臨時交通規制や係員の指示に従います。

What is a tow truck?

A tow truck is a specialised vehicle designed to recover, tow, lift or transport vehicles that are disabled, damaged or otherwise need to be removed.

How can a tow truck move another vehicle?

Tow trucks may use a wheel lift, lifting arm, winch, towing equipment or loading platform. The recovery method depends on the type and condition of the vehicle being moved.

What is a flatbed tow truck?

A flatbed tow truck carries the recovered vehicle on a loading platform rather than leaving some of its wheels on the road.

When is a tow truck used?

A tow truck may be used after a breakdown, collision, vehicle defect or other situation in which a vehicle cannot safely continue or must be removed.

Why do tow trucks use flashing warning lights?

Warning lights alert other road users that the tow truck is working, moving slowly or creating an unusual roadside hazard. The meaning and permitted colour of the lights depend on local law.

Do flashing lights give a tow truck emergency-vehicle priority?

Not necessarily. Warning lights used for vehicle recovery usually indicate a hazard rather than giving the tow truck the same legal priority as a police car, ambulance or fire vehicle.

Can any vehicle tow a broken-down car?

This depends on the local towing rules and equipment. Emergency towing may be permitted under limited conditions, while professional recovery vehicles can use specialised equipment designed for the task.

Can a tow truck recover a vehicle from a motorway?

Yes, where authorised and suitably equipped. Motorway recovery may be subject to special safety procedures because of the high traffic speeds and restricted stopping areas.

Should you slow down when passing a working tow truck?

Yes. Recovery personnel may be working close to live traffic and vehicles or equipment may occupy part of the roadway. Reduce speed where necessary and leave sufficient space.

Can a tow truck recover heavy trucks and buses?

Yes, if it is designed and rated for the vehicle concerned. Heavy recovery vehicles use specialised lifting and towing equipment for trucks, buses and other large vehicles.

32. 四輪駆動

四輪駆動(4WDまたは4x4)は、車両の4輪すべてへ駆動力を伝えられる駆動方式です。雪、泥、砂利、砂、不整地などで追加のトラクションを得られます。

常時作動する方式と、必要時に自動または手動で作動させる方式があります。滑りやすい路面や悪路での走破性を高めますが、適切なタイヤ、安全な速度、慎重な制動・操舵が不要になるわけではありません。

四輪駆動
What is four-wheel drive?

Four-wheel drive is a drivetrain system that can send power to all four wheels of a vehicle rather than only the front or rear wheels.

What does 4x4 mean?

4x4 normally indicates a vehicle with four wheels of which all four can be driven by the powertrain.

Is four-wheel drive the same as all-wheel drive?

The terms 4WD and AWD are sometimes used interchangeably, but manufacturers often use them for different types of system. Traditional 4WD systems commonly provide selectable driving modes, while AWD systems often distribute power automatically.

Does four-wheel drive improve traction?

Yes. Sending power to more wheels can improve traction when accelerating on snow, mud, gravel, sand or other low-grip surfaces.

Does four-wheel drive shorten braking distance?

Not automatically. Braking performance depends primarily on the tyres, road surface, speed, braking system and vehicle condition. Four-wheel drive should not encourage a driver to travel faster on slippery roads.

Does a four-wheel-drive vehicle still need suitable tyres?

Yes. The tyres provide the contact between the vehicle and road. Four-wheel drive cannot compensate for tyres that are unsuitable, excessively worn or incorrectly inflated.

Can four-wheel drive help in snow?

Yes. It can improve the ability to move away and climb on snow-covered roads, but safe braking and cornering still depend heavily on tyre grip and appropriate speed.

Can a four-wheel-drive vehicle drive off-road?

Some 4x4 vehicles are designed for off-road use, but four-wheel drive alone does not make every vehicle suitable for difficult terrain. Ground clearance, tyres, suspension and the drivetrain design are also important.

Can you use four-wheel drive on dry roads?

This depends on the type of drivetrain. Permanent or automatic systems are designed for normal road use, while some selectable 4WD systems should only be engaged under particular conditions. Follow the manufacturer's instructions.

Does four-wheel drive increase towing capacity?

It can improve traction when towing, but the legally and technically permitted trailer mass is determined by the vehicle's approved towing limits and local regulations, not simply by the presence of four-wheel drive.

33. 自転車

自転車は、主として利用者がペダルまたはハンドクランクを使って推進する2輪以上の車両です。移動、レクリエーション、スポーツ、適切な装備がある場合の小荷物や乗客輸送などに使われます。

一部の自転車はペダリング中に補助する電動モーターを備えます。電動アシスト自転車が法律上自転車に分類され続けるかは、モーター出力、アシスト速度、現地規則によります。自転車利用者は自転車に適用される交通規則、標識、信号、道路利用要件に従います。

What is a bicycle?

A bicycle is a wheeled vehicle primarily propelled by the rider using pedals or hand cranks.

Is an electric bicycle still a bicycle?

It can be. Electrically assisted bicycles that remain within specified power and assistance-speed limits are commonly treated as bicycles. Faster or more powerful vehicles may be classified differently.

Where should cyclists ride?

Cyclists should use cycle paths, cycle lanes or the roadway according to the local traffic rules and signs. The required position varies between countries and road types.

Must cyclists use a cycle path?

This depends on the country and type of cycle facility. Some cycle paths are compulsory, while others are optional.

Do bicycles need lights?

Yes, when required by local law. Bicycles commonly need a white or yellow light at the front and a red light at the rear during darkness or poor visibility.

Do bicycles need brakes?

Yes. A bicycle used on public roads must have an effective braking system appropriate to its design and local technical requirements.

Is a bicycle helmet compulsory?

This varies between countries. Some require helmets for all cyclists or particular age groups, while others recommend helmets without making them compulsory.

Can a bicycle carry a passenger?

Yes, where the bicycle is appropriately equipped and local law permits it. A passenger should use a proper seat and any other required safety equipment.

Can cyclists ride side by side?

This depends on local law and the road conditions. Many countries allow two cyclists to ride beside each other in certain circumstances but require single-file riding when necessary for safety or traffic flow.

Is someone walking a bicycle still a cyclist?

In many traffic systems, a person who dismounts and walks the bicycle by hand is treated as a pedestrian. The exact legal definition depends on local law.

34. オートバイ装備

オートバイ装備には、運転者・同乗者が使う保護装備と、オートバイに装備される安全装置が含まれます。乗員装備には一般にヘルメット、防護服、手袋、ブーツ、目の保護具があり、車両には現地法に応じて灯火、ブレーキ、ミラー、タイヤ、方向指示装置などが必要です。

法的に必要な装備は国やオートバイ区分によって異なります。出発前に保護装備と車両の双方が適切で、正しく使用され、安全な状態であることを確認します。

オートバイ装備
What equipment should a motorcyclist use?

Motorcyclists should use appropriate protective equipment, commonly including a helmet, gloves, protective jacket and trousers, and footwear that protects the feet and ankles.

Is a motorcycle helmet compulsory?

Helmet requirements depend on local law, although approved motorcycle helmets are compulsory in many countries. The helmet should fit correctly and be used in a way that preserves its protective function.

Why is protective motorcycle clothing important?

Protective clothing can reduce injuries caused by impact, abrasion and contact with the road surface. Purpose-designed motorcycle clothing may also include impact protectors for vulnerable parts of the body.

Why should motorcyclists wear gloves?

Gloves help protect the hands and wrists against abrasion, weather and impact and can also improve grip on the motorcycle controls.

Why are motorcycle boots important?

Suitable boots provide protection for the feet and ankles and can reduce injuries caused by impact, abrasion or the motorcycle falling onto the rider.

Does a motorcycle passenger need protective equipment?

Yes. Passengers are exposed to many of the same risks as riders and should use appropriate protective equipment. Local law may require the passenger to wear the same helmet and clothing as the rider.

What safety equipment must a motorcycle have?

A road-legal motorcycle normally requires functioning brakes, tyres, lights, reflectors, mirrors, a horn and other prescribed equipment. Exact technical requirements vary between countries and motorcycle categories.

Should motorcycle lights be checked before riding?

Yes. Check that the headlight, rear light, brake light and direction indicators work correctly where fitted or required. Motorcycle visibility is especially important because motorcycles can be difficult for other road users to detect.

Should motorcycle tyres be checked regularly?

Yes. Check tyre condition, tread and pressure regularly. Because motorcycles rely on two relatively small tyre contact areas, damaged or incorrectly inflated tyres can significantly affect stability, steering and braking.

Should motorcycle equipment be checked before every journey?

A brief check of the tyres, brakes, lights, controls, mirrors and general condition of the motorcycle can help identify problems before riding. Protective equipment should also be correctly fitted and in usable condition.

35. 軌道

軌道は、トラム、列車、その他の鉄道車両を案内する2本のレールです。道路沿いを走る場合、道路を横切る場合、車道内に埋め込まれて鉄道車両と他の道路利用者が同じ区域を通る場合があります。

鉄道車両は障害物を避けて操舵できず、停止に長い距離を必要とするため、軌道付近では特に注意します。運転者、自転車利用者、歩行者は優先規則、信号、警告標識、横断規則に従い、不要に軌道を塞いではいけません。

軌道
What is a track?

A track consists of rails that guide trams, trains or other rail vehicles. Tracks may be separated from ordinary traffic or incorporated into a road.

Can tram tracks run along an ordinary road?

Yes. Tram tracks may be embedded in the carriageway and share part of the road with other traffic, depending on the local road layout and traffic rules.

Who has priority when a road crosses tram tracks?

The applicable priority rules vary between countries, but rail vehicles commonly receive special priority because they cannot leave their tracks. Always obey traffic lights, signs and local rules.

Can you drive on tram tracks?

This depends on the road layout and local regulations. Tracks incorporated into an ordinary traffic lane may sometimes be used by other vehicles, while reserved tram tracks or separate railway tracks may not.

Can you stop or park on railway or tram tracks?

You should never stop or park where your vehicle would obstruct a rail vehicle. Local traffic law may specifically prohibit stopping or parking on or close to tracks.

Why are tracks dangerous for cyclists and motorcyclists?

Wheels can slip on wet rails or become trapped in the groove beside a rail. Riders should cross tracks carefully and, where possible, at an angle that reduces the risk of a wheel following the rail groove.

Should you follow a tram closely?

No. Maintain sufficient distance so that you can react safely if the tram stops, passengers enter the roadway or traffic conditions change.

Can pedestrians cross tram tracks?

Yes, where crossing is permitted, but pedestrians should carefully check for approaching rail vehicles and obey pedestrian lights and crossing restrictions.

Is a tram track the same as a railway level crossing?

No. Tram tracks can be incorporated directly into a street or carriageway. A railway level crossing is a specific place where a road or path crosses railway tracks, usually with dedicated warning signs or signals.

What should you do if traffic stops while you are crossing tracks?

Do not enter a track crossing unless there is enough space to clear it completely. Never deliberately stop where a tram or train could be blocked.

36. キャラバン

キャラバンは、旅行やキャンプ中の一時的な居住設備として設計された牽引式トレーラーです。通常は就寝スペースを備え、調理、座席、収納、洗面、トイレ設備などを備える場合もあります。

牽引時は正しく連結され、安全に積載され、許容される牽引能力と重量制限内であることを確認します。キャラバンにより車両組み合わせの全長、重量、操縦性、停止距離が変化します。

キャラバン
What is a caravan?

A caravan is a trailer designed to be towed by another vehicle and used as temporary accommodation while travelling or camping.

Is a caravan a trailer?

Yes. A towable caravan is a type of trailer and is therefore subject to the applicable rules for trailers as well as any specific rules concerning caravans.

What should you check before towing a caravan?

Check that the caravan is properly coupled, correctly loaded and secured and that the towing vehicle, trailer and driver comply with the applicable weight, equipment and driving-licence requirements.

37. トレーラー

トレーラーは、自らの動力で走行するのではなく、他の車両に牽引されるよう設計された車両です。貨物、機器、ボート、キャラバンなどの運搬に使われ、大きさや重量は大きく異なります。

牽引する運転者は正しく連結され、適切に積載され、牽引車に適合していることを確認します。トレーラーにより組み合わせの全長、重量、停止距離、旋回に必要な空間が増加します。

トレーラー
What is a trailer?

A trailer is a vehicle designed to be pulled by another vehicle rather than propelled by its own motor.

What can trailers be used for?

Trailers can transport goods, equipment, vehicles, boats or other loads and can also include caravans designed for accommodation.

What should you check before towing a trailer?

Check that the trailer is properly coupled, correctly loaded and secured and that the towing vehicle, trailer and driver meet the applicable weight, equipment and licensing requirements.

38. 牽引ヒッチ

牽引ヒッチ(trailer hitch / towing coupling)は、トレーラー、キャラバン、その他の被牽引車両を安全に接続するため車両へ取り付ける装置です。乗用車では牽引ボールが一般的で、大型車では別の機械式連結装置を使う場合があります。

ヒッチと牽引車はトレーラーと荷重に適合している必要があります。車両の承認牽引能力、連結装置の限界、トレーラー質量、適用される免許、ブレーキ、安全要件を守ります。

牽引ヒッチ
What is a tow hitch?

A tow hitch is a mechanical coupling fitted to a vehicle so that a trailer, caravan or other towable vehicle can be attached.

What is a tow ball?

A tow ball is the ball-shaped part of a common passenger-car towing system onto which the trailer coupling is secured.

Can every car have a tow hitch?

No. The vehicle must be approved or technically suitable for the coupling and intended towing load. Some vehicles have limited or no approved towing capacity.

Does fitting a tow hitch automatically mean you may tow any trailer?

No. You must respect the towing vehicle's approved towing capacity, the hitch rating, trailer limits and the driving-licence rules applying to the combination.

What is the maximum load on a tow hitch?

The permitted load depends on the vehicle and coupling. The coupling normally has specified maximum towing and vertical-load ratings that must not be exceeded.

What is nose weight?

Nose weight is the downward vertical force that a trailer applies to the towing vehicle through the coupling. It must remain within the limits specified for the vehicle, hitch and trailer.

Can a tow hitch be removable?

Yes. Tow hitches may be fixed, detachable or retractable. Detachable systems must be correctly installed and securely locked before towing.

Can a tow hitch be used for a bicycle carrier?

Yes, if the hitch and carrier are designed for that purpose. The permitted vertical load and vehicle manufacturer's restrictions must still be respected.

Does a trailer need a secondary safety connection?

Depending on the trailer's braking system and local law, a safety cable, chain or breakaway system may be required in addition to the main coupling.

What should you check before towing?

Check that the coupling is fully engaged and locked, the safety connection is correctly attached, the electrical connector works and the trailer lights and brakes operate correctly where required.

39. サイレン

サイレンは、注意を引き、緊急車両や優先車両が接近していることを知らせる大きな警告音を発する装置です。救急車、消防車、警察車両などに装備され、素早く認識できるよう交互音や変化する音を出すことがあります。

サイレンを鳴らす緊急車両が接近したら、道路利用者は注意を保ち、車両がどこから来るか確認し、安全に通路を空ける必要があります。優先規則やサイレンの使用条件は国によって異なります。

サイレン
What is a siren?

A siren is a powerful audible warning device used primarily by emergency or priority vehicles to alert other road users of their approach.

Which vehicles commonly use sirens?

Sirens are commonly used by ambulances, fire engines, police vehicles and other authorised emergency vehicles.

What should you do when you hear an emergency siren?

Stay alert, determine where the emergency vehicle is approaching from and make room for it to pass safely according to the traffic rules of the country.

40. 車列

車列は、通常同じ経路と目的地へ向かい、組織的な集団として一緒に走行する複数の車両です。一般車両、軍用車両、特殊輸送車両、組織的な移動に参加する車両などで構成されることがあります。

車列で走行する運転者は安全な車間距離を保ち、適用される交通規則に従い、他の交通を妨げない必要があります。特別な法律、護衛、交通規制が適用されない限り、車列に参加しているだけで特別な優先権が与えられるわけではありません。

車列
What is a convoy?

A convoy is an organised group of vehicles travelling together along the same route.

Do vehicles in a convoy automatically have priority?

No. An ordinary convoy does not automatically have priority over other traffic. Special rules may apply to military convoys, exceptional transports or officially escorted groups.

Should vehicles in a convoy maintain a safe distance?

Yes. Drivers should maintain sufficient distance from the vehicle ahead so they can react safely and so that other traffic can interact with the convoy where permitted.

41. 緊急車両の警光灯

緊急車両の警光灯は、権限ある緊急車両や優先車両を目立たせ、他の道路利用者へ警告するための特別な点滅灯または回転灯です。警察車両、救急車、消防車などが緊急対応時に特徴的な警光灯を使用します。

警光灯の色、意味、使用条件は国によって異なります。点灯している場合、道路利用者は注意を保ち、接近車両を確認し、道を譲る、通路を空けるなど現地規則に従います。

緊急車両の警光灯
What is emergency vehicle lighting?

Emergency vehicle lighting consists of special warning lights fitted to authorised emergency or priority vehicles to increase their visibility and alert other road users.

Which vehicles use emergency warning lights?

Depending on the country, they may be used by police vehicles, ambulances, fire engines, rescue vehicles and other authorised emergency services.

What should you do when you see emergency lights?

Remain alert, determine where the emergency vehicle is coming from and follow the applicable rules for giving way or creating a safe passage. The precise obligation depends on the country's traffic laws and whether an audible warning is also being used.

42. 農業機械

農業機械には、土壌耕作、播種、収穫、草刈り、作物輸送、農具の操作など農業作業向けに設計された車両、機械、装置が含まれます。トラクター、コンバイン、農薬散布機、草刈機などがあります。

主に農地で使う設計でも、公道を走行する必要がある場合があります。公道走行時の登録、運転免許、灯火、寸法、速度、道路利用規則は、機械の種類と法的分類によって異なります。

農業機械
What is agricultural machinery?

Agricultural machinery includes vehicles and machines designed to perform farming operations such as cultivating, planting, harvesting, mowing or transporting agricultural materials.

What are examples of agricultural machinery?

Examples include tractors, combine harvesters, self-propelled sprayers, forage harvesters, mowing machines and agricultural trailers.

Is all agricultural machinery legally considered a vehicle?

No. Some agricultural machines are self-propelled vehicles, while others are implements or equipment that must be attached to or towed by another vehicle. Their legal classification depends on their construction and use.

Can agricultural machinery use public roads?

Yes, when legally permitted and suitably equipped. Registration, insurance, lighting, dimensions, speed and driving-licence requirements may apply.

Do you need a special licence to drive agricultural machinery?

This depends on the country and type of machine. Some countries have a dedicated agricultural-vehicle licence, while other vehicles fall under ordinary car or heavy-vehicle licence categories.

Do agricultural machines have special speed limits?

They may. The permitted speed can depend on the machine's construction speed, mass, tyres and road type. Many agricultural machines are designed to travel considerably more slowly than ordinary road vehicles.

Can agricultural machinery use motorways?

Agricultural vehicles are frequently prohibited from motorways or other high-speed roads. The exact restrictions depend on local traffic law.

Why should drivers take care when approaching agricultural machinery?

Agricultural machinery can be slow, wide or unusually long and may turn into fields or farm entrances. Drivers should reduce speed where necessary and overtake only with sufficient visibility and space.

Can agricultural machinery be wider than an ordinary vehicle?

Yes. Some machinery exceeds normal road dimensions. Folding equipment, special markings, permits or other restrictions may apply before it can travel on public roads.

Can agricultural machinery tow trailers or implements?

Yes, when designed and approved to do so. Tractors commonly tow agricultural trailers and implements, subject to applicable mass, braking, coupling and dimensional requirements.

43. 電動自転車

電動自転車(e-bike)は、走行中に利用者を補助する電動モーターを備えた自転車です。多くはペダルアシスト方式で、利用者がペダルをこぐ間にモーターが追加の力を提供します。

法的分類は、モーター出力、最大アシスト速度、ペダルをこがずにモーターだけで走行できるかなどで決まります。より高速または高出力の車両はモペッドなどの自動車に分類され、異なる免許、ヘルメット、登録、保険要件が適用される場合があります。

電動自転車
What is an electric bicycle?

An electric bicycle is a bicycle equipped with an electric motor that provides assistance to the rider.

What is pedal assistance?

Pedal assistance means that the electric motor provides power while the rider pedals. The assistance normally decreases or stops when a specified speed is reached.

Is an electric bicycle still a bicycle?

It can be. Electric bicycles that remain within the applicable motor-power and assistance-speed limits are commonly treated as bicycles. Faster or more powerful models may belong to another vehicle category.

How fast can an electric bicycle assist the rider?

The permitted assistance speed depends on the vehicle category and local law. Ordinary pedal-assisted bicycles commonly stop providing motor assistance at approximately 25 km/h.

Can you ride an electric bicycle faster than the assistance limit?

Yes, by your own effort where otherwise permitted. The assistance limit normally determines when the motor stops helping; it does not necessarily prevent the bicycle itself from travelling faster downhill or through pedalling.

Do you need a driving licence for an electric bicycle?

This depends on its legal classification. Ordinary low-power pedal-assisted bicycles commonly require no driving licence, while faster electric bicycles may require a moped or another licence.

Does an electric bicycle need a licence plate?

Ordinary pedal-assisted bicycles generally do not require registration, but high-speed electric bicycles may require registration and a licence plate.

Is a helmet compulsory on an electric bicycle?

Helmet requirements depend on the country and vehicle category. Ordinary e-bikes may follow normal bicycle helmet rules, while faster electric bicycles can have specific compulsory helmet requirements.

Can an electric bicycle use a cycle path?

Ordinary electric bicycles generally follow the same cycle-path rules as conventional bicycles. Different rules can apply to faster or more powerful electric bicycles.

Does an electric bicycle need insurance?

This depends on the vehicle's technical characteristics and local law. Ordinary pedal-assisted bicycles commonly do not require motor-vehicle insurance, while vehicles capable of greater independent motor propulsion may be subject to insurance requirements.

Can you ride an electric bicycle when the battery is empty?

Usually yes. Most electric bicycles can still be pedalled like conventional bicycles when the motor is switched off or the battery is depleted, although their additional weight may make pedalling harder.

Can an electric bicycle carry passengers or goods?

Yes, when the bicycle is designed and legally equipped for them. Passenger seats, cargo areas, child restraints and trailers must satisfy the applicable safety and traffic rules.

44. 電気自動車

電気自動車(EV)は、1基以上の電動モーターで走行し、充電可能なバッテリーなどに電気エネルギーを蓄える車両です。完全電気自動車は走行に電気だけを使い、プラグインハイブリッドは電動駆動系と内燃機関など別の動力源を組み合わせます。

適切な充電ポイントまたは充電ステーションを使って外部電源から充電できます。免許、登録、保険、駐車、道路進入規則は、電動であること自体ではなく車両区分と現地規則によって決まります。

電気自動車
What is an electric vehicle?

An electric vehicle is a vehicle that uses one or more electric motors for propulsion and stores electrical energy in a rechargeable battery or another electrical energy-storage system.

What is a fully electric vehicle?

A fully electric or battery-electric vehicle uses only electric motors for propulsion and obtains its driving energy from rechargeable electrical energy storage rather than a combustion engine.

Is a plug-in hybrid an electric vehicle?

A plug-in hybrid uses both electric propulsion and another power source, normally a combustion engine, and its battery can be charged from an external electricity supply. It is therefore different from a fully electric vehicle.

How is an electric vehicle charged?

An electric vehicle is connected to a suitable charging point that supplies electrical energy to its rechargeable battery. Charging power and connector types vary between vehicles and charging stations.

Do all electric vehicles charge at the same speed?

No. Charging speed depends on the vehicle, battery, charger, electrical supply, temperature and current battery condition.

Does an electric vehicle produce exhaust emissions?

A fully electric vehicle produces no combustion-engine exhaust emissions while driving. It can still contribute to non-exhaust emissions through tyres, brakes and road wear.

Is an electric vehicle automatically allowed to park at a charging point?

Not necessarily. Charging spaces can have specific conditions requiring the vehicle to be connected, actively charging, within a time limit or otherwise complying with local parking rules.

Do electric vehicles follow different traffic rules?

Normally no. A car remains subject to the rules for cars, a motorcycle to those for motorcycles and so on. Electric propulsion does not generally change ordinary priority, speed or lane rules.

Do electric vehicles need registration and insurance?

Where an electric vehicle belongs to a vehicle category that normally requires registration and insurance, those requirements continue to apply.

Can an electric vehicle use a low-emission zone?

Fully electric vehicles are commonly permitted in low-emission zones because they have no combustion-engine exhaust emissions, but access rules are determined locally.

Can electric vehicles use motorways?

Yes, when their vehicle category satisfies the normal motorway-access requirements. Electric propulsion by itself neither grants nor prevents motorway access.

Is an electric vehicle the same as an electric bicycle?

No. Electric bicycles belong to separate pedal-cycle categories and are subject to their own power, assistance-speed and traffic rules.

45. ペデレック

ペデレック(pedal electric cycle)は、利用者がペダルをこいでいる間に補助する電動モーターを備えた自転車です。モーターはペダリングを置き換えるのではなく、利用者の力を補助します。

許容される最大モーター出力とアシスト速度は現地法によります。規定範囲内であれば通常はモペッドやオートバイではなく自転車として扱われます。より高速の電動アシスト自転車はスピードペデレックとして別区分になるのが一般的です。

ペデレック
What is a pedelec?

A pedelec is an electrically assisted bicycle whose motor provides assistance while the rider pedals.

What does pedal assistance mean?

Pedal assistance means that the electric motor provides additional power when the rider uses the pedals. The assistance stops according to the speed and operating limits applying to the bicycle.

Is a pedelec the same as an electric bicycle?

A pedelec is a type of electric bicycle. The term specifically emphasises that the motor assists the rider while pedalling rather than functioning primarily as an independent means of propulsion.

Is a pedelec the same as a speed pedelec?

No. A speed pedelec can provide assistance at considerably higher speeds and is commonly subject to additional requirements concerning helmets, licences, registration or road use.

Do you have to pedal a pedelec?

Yes. With an ordinary pedelec, the motor is intended to assist the rider's pedalling rather than propel the bicycle independently during normal riding.

Can you ride a pedelec faster than the assistance limit?

Yes, by your own effort where otherwise permitted. The assistance limit determines when the motor stops helping; it does not normally prevent the bicycle itself from travelling faster through pedalling or downhill.

Do you need a driving licence for a pedelec?

Ordinary low-power pedelecs are generally treated as bicycles in jurisdictions that recognise the category and therefore commonly require no driving licence. Local rules should always be checked.

Does a pedelec need a licence plate?

Ordinary pedelecs commonly require no registration plate when they remain legally classified as bicycles. Faster electric cycles may have different requirements.

Can a pedelec use cycle paths?

When legally classified as a bicycle, a pedelec normally follows the same cycle-path rules as conventional bicycles.

Is a helmet compulsory on a pedelec?

This depends on local bicycle law. Some countries require helmets for particular riders or circumstances, while others recommend them without making them compulsory.

Can a pedelec carry passengers?

Yes, where the bicycle is designed and legally equipped to carry them. Appropriate seating, foot protection or child-restraint requirements may apply.

What happens if an electric bicycle is too powerful or too fast to qualify as a pedelec?

It may be classified as a motorised cycle, speed pedelec, moped or another vehicle category, resulting in different technical and traffic requirements.

46. クアドリシクル

クアドリシクルは、4輪を持ち、通常の乗用車より下位または別の車両区分に属する自動車です。旅客輸送、貨物輸送、レクリエーション向けに設計され、内燃機関または電動モーターで駆動します。

交通法では一般に、比較的低出力・低設計速度の軽四輪車と、より重く高出力の四輪車を区別します。免許、ヘルメット、登録、保険、道路利用要件は車両の法的分類と現地交通規則によります。

クアドリシクル
What is a quadricycle?

A quadricycle is a four-wheeled motor vehicle belonging to a specialised vehicle category distinct from an ordinary passenger car.

What is a light quadricycle?

A light quadricycle is a relatively low-powered four-wheel motor vehicle with a restricted maximum design speed. In European vehicle classification, light quadricycles belong to category L6e.

What is a heavy quadricycle?

A heavier or more powerful quadricycle that does not qualify as a light quadricycle can fall within category L7e under European vehicle-classification rules.

Is a quadricycle the same as a car?

No. Although some enclosed quadricycles resemble very small cars, they belong to a different technical and legal vehicle category and can have different licence, power, mass and road-access rules.

Is a quadricycle the same as a quad or ATV?

Not necessarily. The quadricycle category includes several types of four-wheel motor vehicles. Some are open recreational quads, while others are enclosed road-going microcars designed for passengers or goods.

Can a quadricycle be electric?

Yes. Quadricycles can use electric motors, combustion engines or other approved propulsion systems.

Do you need a driving licence for a quadricycle?

Usually yes, but the required licence depends on whether the vehicle is classified as a light or heavier quadricycle and on the country's licensing system.

Does a quadricycle need a licence plate?

Road-going quadricycles commonly require registration and a registration plate. Exact requirements vary between countries.

Must quadricycle occupants wear helmets?

This depends on the vehicle design and local law. Open quadricycles may require helmets, while enclosed vehicles with a passenger compartment and restraint systems can be subject to seat-belt rules instead.

Can a quadricycle carry passengers?

Yes, when it is designed and approved to do so. The number of passengers may not exceed the vehicle's approved seating capacity.

Can a quadricycle use a motorway?

This depends on its vehicle category, construction speed and local motorway-access rules. Low-speed light quadricycles are normally unsuitable for motorway traffic.

Does a quadricycle follow motorcycle or car traffic rules?

This depends on its legal classification. Some light quadricycles are treated similarly to mopeds, while heavier quadricycles may follow many of the ordinary rules applying to cars.

47. マイクロカー

マイクロカーは、主に短距離・都市内移動向けに設計された非常に小型の自動車です。通常、密閉された客室、4輪、1~2人分の座席を備えますが、設計や法的分類は異なります。

多くは通常の乗用車ではなく軽四輪車として法的に分類されます。より高出力・高速なモデルは重い四輪車または乗用車区分に入る場合があります。免許、最低年齢、登録、保険、最高速度、道路利用は正式な法的分類によって決まります。

マイクロカー
What is a microcar?

A microcar is a very small enclosed motor vehicle generally intended for short journeys and urban transport.

Is a microcar the same as an ordinary car?

Not necessarily. Many microcars are legally classified as light or heavy quadricycles rather than passenger cars and can therefore have different licence, speed and road-access rules.

Is a microcar the same as a light quadricycle?

Many microcars are light quadricycles, but the terms are not identical. Microcar describes the general vehicle design, while light quadricycle is a specific legal vehicle category.

Can a microcar be electric?

Yes. Microcars may use electric motors, combustion engines or other approved propulsion systems.

How fast can a microcar travel?

This depends on its legal category and construction. Light quadricycles commonly have a substantially lower maximum design speed than ordinary passenger cars.

Do you need a driving licence for a microcar?

Usually yes. The required licence depends on whether the vehicle is classified as a light quadricycle, heavier quadricycle or ordinary passenger car.

Can teenagers drive a microcar?

Some countries allow light quadricycles to be driven at a younger age than ordinary cars, subject to the appropriate licence. Minimum ages vary between countries.

Does a microcar need a licence plate?

Road-going microcars generally require registration and a registration plate according to their vehicle category.

Does a microcar need insurance?

Normally yes. Motor vehicles used on public roads are generally subject to the motor-liability insurance requirements of the country in which they are registered or used.

Must you wear a helmet inside a microcar?

This depends on the vehicle construction and local law. Enclosed quadricycles equipped with seat belts may be treated differently from open quadricycles, where helmet requirements are more common.

Can a microcar use a motorway?

Low-speed microcars classified as light quadricycles are commonly prohibited from motorways. Faster vehicles may have different access rights according to their classification and construction speed.

Is a microcar as protective as a conventional passenger car?

A microcar belongs to a different vehicle category and may be subject to different construction and type-approval requirements from an ordinary passenger car. Drivers should not assume that the two vehicle types provide identical levels of crash protection.

48. 全地形対応車

全地形対応車(ATV)は、荒れた路面や不整地を走行するため設計された自動車で、場合によっては一般道路も走行できます。通常、4輪、幅広タイヤ、コンパクトな車体を持ち、レクリエーション、農業、林業などに使われます。

公道走行の可否は車両区分、登録、装備、現地交通法によります。公道走行が認可されたATVもあれば、オフロード専用のものもあります。

全地形対応車
What is an all-terrain vehicle?

An all-terrain vehicle is a motor vehicle designed to travel over rough or uneven terrain, commonly using four wheels and wide tyres.

Can an ATV be driven on public roads?

It depends on the country and vehicle. An ATV may need to meet specific registration, equipment, insurance and licensing requirements before it can legally use public roads.

Are all ATVs four-wheeled vehicles?

Not necessarily. The term can cover different types of off-road vehicles, although four-wheeled quads are among the most common forms.

49. バン

バンは、荷物、機器、乗客の輸送に一般的に使われる閉鎖型ボディの自動車です。小型配送車から大型商用車まであり、荷室、座席、またはその両方を備えます。

大きさ、重量、用途が大きく異なるため、国ごとの車両分類に応じて免許、速度、駐車、道路進入規則が異なる場合があります。

バン
What is a van?

A van is an enclosed motor vehicle commonly designed to transport goods, equipment or passengers.

Are all vans goods vehicles?

No. Many vans are designed primarily for goods transport, while others are configured mainly or partly for carrying passengers.

Do all vans follow the same traffic rules?

Not necessarily. Rules can depend on the van's maximum authorised mass, vehicle category, use and number of passenger seats.

50. キャンピング車

キャンピング車(RV)は、旅行、レクリエーション、一時的な居住のため設計・改造された車両です。モーターホーム、キャンピングバン、広い意味では牽引式キャラバンやキャンピングトレーラーも含まれます。

就寝、座席、調理、収納、衛生設備を備える場合があります。法的分類、必要免許、駐車規則、許容寸法・重量は国によって異なります。

キャンピング車
What is a recreational vehicle?

A recreational vehicle is a vehicle designed or adapted for travelling and temporary living accommodation.

What types of vehicles are considered recreational vehicles?

The term commonly includes motorhomes and campervans and may also be used more broadly for caravans and camping trailers.

Do recreational vehicles follow the same rules as passenger cars?

Not always. The applicable rules can depend on the vehicle's classification, weight, dimensions and whether it is self-propelled or towed.