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QuizTraffic rulesCzechia

Test your knowledge with our multiple-choice quiz. Learn from each answer and improve your understanding of the traffic rules and road signs of Czechia.

For informational purposes only. Always follow official regulations. Some content and images were created with AI assistance.

Traffic signs
Traffic rules
Czechia
True/false 17 Czechia 35 Car controls 109 Dashboard lights 40 Priority rules 9 Pedestrians 19 Cyclists 20 Driving licence 40 Show all 642
You should check your mirrors before changing lanes.

251. You should check your mirrors before changing lanes.

✓ True.
False.

Checking your mirrors helps you see surrounding traffic before moving into another lane.

Driver checking a mirror before changing lanes
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which vehicle combination is covered by driving licence CE?

252. Which vehicle combination is covered by driving licence CE?

A category B vehicle with a small trailer.
A category D bus with a heavy trailer.
A C1 vehicle without a trailer.
✓ A category C vehicle with a trailer over 750 kg.

Category CE covers combinations consisting of a category C towing vehicle and a trailer or semi-trailer with a maximum authorised mass above 750 kg.

Heavy goods vehicle and trailer covered by category CE
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before changing lanes?

253. What should you do before changing lanes?

Check the blind spot only after starting to move.
Speed up and move over before nearby traffic catches up.
✓ Check your mirrors and blind spot.
Check only the lane directly beside you.

Always check your mirrors, look over your shoulder if necessary, and make sure it is safe before changing lanes.

Driver checking surrounding traffic before changing lanes
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the general speed limit for cars in built-up areas in Czechia?

254. What is the general speed limit for cars in built-up areas in Czechia?

Other speed limit.
30 km/h.
✓ 50 km/h.
60 km/h.

The general speed limit for cars in built-up areas in Czechia is 50 km/h, unless signs indicate otherwise.

Speed limits for cars in built-up areas
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before attempting to jump-start a vehicle?

255. What should you do before attempting to jump-start a vehicle?

Use any battery that physically fits the vehicle.
Start both vehicles before connecting the leads.
✓ Check the owner's manual and make sure the connections are compatible.
Connect the leads without checking their polarity.

Incorrect jump-starting can damage electrical systems, cause sparks, or make a battery explode. Connect the leads in the correct order before starting the vehicles, and follow the manufacturer's procedure exactly.

Preparing to jump-start a vehicle battery
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How can you check which fuel is suitable for your vehicle?

256. How can you check which fuel is suitable for your vehicle?

✓ Check the fuel-filler label, fuel cap, or vehicle information.
Choose whichever fuel is cheapest at the station.
Ask another driver with a similar-looking vehicle.
Choose the fuel that has the same colour nozzle as last time.

Before refuelling, check which fuel type the vehicle requires. The correct fuel is often shown inside the fuel-filler flap, on or near the fuel cap, or in the vehicle information or owner's manual. Do not rely only on nozzle colours, as these can vary between filling stations and countries.

Checking the fuel label before refuelling
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before overtaking another vehicle?

257. What should you do before overtaking another vehicle?

Overtake whenever the vehicle ahead is moving slowly.
Signal and expect other traffic to make room.
Drive close behind before starting the overtake.
✓ Make sure it is safe and allowed.

Before overtaking, check the road, mirrors, blind spots, signs, and markings, use your indicator, and only overtake when it is safe and permitted.

Vehicle preparing to overtake another vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You should follow the vehicle in front as closely as possible in traffic.

258. You should follow the vehicle in front as closely as possible in traffic.

True.
✓ False.

You should keep a safe following distance so you have enough time to react if traffic slows or stops suddenly.

Vehicle following closely behind another vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when following a cyclist on a narrow road?

259. What should you do when following a cyclist on a narrow road?

✓ Keep a safe distance and overtake only when there is enough space.
Drive close behind until there is room to pass.
Pass even if you cannot leave much space.
Overtake as soon as your vehicle can fit past.

Cyclists may need to avoid potholes, drains, or wind gusts. Keep distance and only pass when you can leave plenty of space.

Vehicle following a cyclist on a narrow road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why can fog make it difficult to judge the speed of other vehicles?

260. Why can fog make it difficult to judge the speed of other vehicles?

Fog makes road markings appear closer together.
✓ Limited visibility makes distances and movement harder to estimate.
Fog makes vehicles appear larger than they are.
Fog changes the way mirrors show moving vehicles.

Fog reduces visual information, making it harder to judge how far away another vehicle is and how quickly it is approaching.

Other traffic partly obscured by fog
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How can alcohol affect your driving ability?

261. How can alcohol affect your driving ability?

It makes your reactions faster.
It improves your vision in poor light.
It has no effect if you drive slowly.
✓ It can reduce judgement, coordination, and reaction speed.

Alcohol affects several abilities needed for safe driving, including concentration, decision-making, coordination, and hazard perception.

Alcohol impairment and driving ability
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you not ignore temporary speed limits?

262. Why should you not ignore temporary speed limits?

✓ They are used to protect people and manage hazards.
They apply only when traffic is congested.
They can be ignored when the road looks clear.
They apply only to road workers.

Temporary speed limits may be used near roadworks, accidents, events, or dangerous conditions. They help keep traffic safe.

Temporary speed-limit sign at roadworks
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which control activates all direction indicators at the same time?

263. Which control activates all direction indicators at the same time?

The headlight switch.
The parking-brake control.
The rear-window demister.
✓ The hazard warning light switch.

The hazard warning light switch activates all direction indicators at the same time to warn other road users of a hazard or emergency.

Hazard warning light switch and triangle symbol
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why is it dangerous to drive through standing water at speed?

264. Why is it dangerous to drive through standing water at speed?

The steering becomes more responsive.
The brakes become more effective when wet.
The suspension becomes firmer at higher speed.
✓ The tyres may lose contact with the road.

Driving too fast through water can cause aquaplaning, where the tyres lose grip and the driver may lose control.

Vehicle travelling through standing water
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the power steering suddenly stops assisting you?

265. What should you do if the power steering suddenly stops assisting you?

Accelerate to make the steering easier.
Switch off the engine while moving to reset the system.
✓ Hold the wheel firmly, use greater steering effort, and stop safely.
Keep driving normally if the vehicle still turns.

The vehicle can normally still be steered, but much more effort may be required. Reduce speed and arrange an inspection.

Driver coping with a loss of power-steering assistance
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You should signal before turning or changing lanes.

266. You should signal before turning or changing lanes.

False.
✓ True.

A clear signal helps other road users understand your intentions, but you must still check that the manoeuvre can be made safely.

Vehicle signalling before a turn
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if another vehicle is tailgating you?

267. What should you do if another vehicle is tailgating you?

Tap the brakes to make them increase their distance.
Move toward the centre to discourage them from passing.
✓ Stay calm and increase your safety margin ahead.
Reduce the gap ahead so they cannot move into it.

If someone follows too closely, avoid sudden actions. Keeping more space in front gives you more time to brake gently if needed. If it is safe, allow the tailgating vehicle to pass.

Following vehicle visible close behind
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if you approach slow-moving farm machinery?

268. What should you do if you approach slow-moving farm machinery?

Drive close behind until there is room to pass.
Use your horn so the driver moves aside.
Overtake even if the vehicle is signalling to turn.
✓ Keep a safe distance and overtake only when safe.

Farm machinery may be wide, slow, or turn unexpectedly. Keep distance and only overtake when you have a clear view and enough space.

Vehicle approaching slow-moving farm machinery
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should you position your vehicle beside a fuel pump?

269. How should you position your vehicle beside a fuel pump?

With the fuel hose stretched tightly across the vehicle.
Wherever there is space, regardless of the fuel-filler position.
As close to the pump as possible, even if access is restricted.
✓ With the fuel-filler side close enough for the hose to reach safely.

Position the vehicle so the fuel filler is close to the pump and the hose can reach without being stretched tightly across or around the vehicle. Stop within the designated refuelling area and leave enough space to use the pump safely.

Vehicle positioned beside a fuel pump
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if traffic suddenly slows on a motorway?

270. What should you do if traffic suddenly slows on a motorway?

Change lanes immediately to avoid slowing down.
Move onto the shoulder and continue driving.
✓ Slow down smoothly and warn traffic behind if needed.
Brake suddenly as soon as you notice slower traffic.

When traffic slows suddenly, reduce speed smoothly, keep a safe distance, and use hazard lights if needed to warn following traffic.

Motorway traffic slowing ahead
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Should the legal alcohol limit be treated as a safe target?

271. Should the legal alcohol limit be treated as a safe target?

✓ No, impairment can begin before the legal limit is reached.
Yes, when driving only a short distance.
Yes, if you feel completely sober.
Yes, because impairment begins only above the limit.

A legal limit is an enforcement threshold, not a recommended drinking level. Even a small amount of alcohol can affect driving performance.

Alcohol consumption and the limits of safe driving
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

272. What does this dashboard symbol indicate?

✓ Brake-pad wear warning.
ABS fault.
Parking brake applied.
Brake-system fault.

This symbol indicates that the brake pads may be worn and should be inspected. Continuing to drive with excessively worn brake pads can reduce braking performance and damage other brake components.

Brake-pad wear warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You do not need to look for cyclists when opening your car door.

273. You do not need to look for cyclists when opening your car door.

True.
✓ False.

You should always check for cyclists, motorcyclists, and other road users before opening a door.

Cyclist near the door of a parked car
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How can worn tyres affect driving in heavy rain?

274. How can worn tyres affect driving in heavy rain?

They reduce the chance of skidding at low speeds.
They shorten the stopping distance on wet roads.
They make steering more responsive in heavy rain.
✓ They increase the risk of aquaplaning.

Tyre tread helps channel water away and maintain grip. Worn tyres cannot clear water as effectively, increasing stopping distance and the risk of aquaplaning.

Worn tyre tread and wet-road grip
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

275. What does this vehicle-control symbol indicate?

Adaptive cruise control.
Driving mode selection.
Electronic stability control.
✓ Speed limiter.

The speed limiter allows the driver to set a maximum speed that the vehicle should not normally exceed while the accelerator is being used.

Vehicle speed-limiter control and symbol
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if there is no pavement?

276. What should you do if there is no pavement?

✓ Walk where you can be seen and stay alert.
Always walk in the same direction as traffic.
Walk close to traffic so drivers can see you.
Pay attention only to traffic approaching from behind.

If there is no pavement, stay as far from traffic as possible and remain alert. The exact side of the road depends on local traffic rules.

Pedestrian walking beside a road without a pavement
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when approaching a narrow road with oncoming traffic?

277. What should you do when approaching a narrow road with oncoming traffic?

Maintain your speed if there appears to be enough room.
Continue first if you entered the narrow section earlier.
✓ Slow down and give space when needed.
Expect the oncoming driver to make room for you.

On narrow roads, reduce speed and be prepared to stop or use a suitable passing place. Leave enough space for the oncoming vehicle and avoid forcing either vehicle into an unsafe position.

Oncoming vehicles approaching a narrow stretch of road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the minimum licence for a D bus towing a trailer over 750 kg?

278. What is the minimum licence for a D bus towing a trailer over 750 kg?

✓ Licence DE.
Licence CE.
Licence BE.
Licence D.

Category D permits a trailer with a maximum authorised mass of up to 750 kg. A category D vehicle towing a trailer above 750 kg requires category DE.

Category D bus towing a trailer over 750 kg
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the minimum licence for a goods vehicle with a 7,500 kg maximum authorised mass?

279. What is the minimum licence for a goods vehicle with a 7,500 kg maximum authorised mass?

Licence C.
Licence D1.
Licence BE.
✓ Licence C1.

Category C1 covers motor vehicles, other than categories D1 and D, with a maximum authorised mass above 3,500 kg and not exceeding 7,500 kg.

Goods vehicle with a maximum authorised mass of 7,500 kg
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which distance unit is used on road signs in Czechia?

280. Which distance unit is used on road signs in Czechia?

✓ Kilometres.
Miles.

Road distances in Czechia are normally shown in kilometres.

Distance units used on road signs
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if your vehicle begins rolling backward on a steep incline?

281. What should you do if your vehicle begins rolling backward on a steep incline?

Let it roll backwards and try again.
✓ Apply the brake, secure the vehicle, and restart carefully.
Open the door and step out.
Accelerate while continuing to roll backward.

Stop the vehicle under control, apply the parking brake if necessary, and prepare to move away again safely.

Vehicle rolling backwards on a steep incline
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when traffic lights are not working?

282. What should you do when traffic lights are not working?

Proceed if the junction appears clear.
✓ Proceed carefully and follow signs or priority rules.
Follow the vehicle ahead through the junction.
Treat the junction as if you have priority.

If traffic lights are not working, slow down, observe carefully, and follow signs, road markings, or local priority rules.

Junction with traffic lights out of operation
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you never leave a petrol or diesel engine running in an enclosed space?

283. Why should you never leave a petrol or diesel engine running in an enclosed space?

The battery can become overcharged.
The tyres can lose pressure more quickly.
✓ Dangerous carbon monoxide can build up.
The engine can lose oil pressure.

Exhaust gases from petrol and diesel engines can contain carbon monoxide, a poisonous gas that can build up quickly in an enclosed or poorly ventilated space. Never leave the engine running inside a closed garage or similar area.

Running vehicle engine in an enclosed space
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does the resume function of cruise control normally do?

284. What does the resume function of cruise control normally do?

Applies the brakes automatically.
✓ Returns the vehicle to the previously set cruising speed.
Sets the vehicle's current speed as a new limit.
Switches cruise control off completely.

The resume function normally returns the vehicle to the previously set cruise-control speed after the system has been temporarily disengaged. The driver should use it only when traffic and road conditions are suitable.

RES button for resuming the stored cruising speed
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do with the clutch during emergency braking in a manual vehicle?

285. What should you do with the clutch during emergency braking in a manual vehicle?

Release it suddenly.
✓ Press it fully while maintaining firm brake pressure.
Pump it repeatedly.
Keep it partly pressed.

During emergency braking in a manual vehicle, maintain firm pressure on the brake and press the clutch pedal fully so the engine does not stall as the vehicle slows. Do not reduce braking pressure while operating the clutch.

Brake and clutch operation during an emergency stop
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the main risk when following a vehicle with limited rear visibility?

286. What is the main risk when following a vehicle with limited rear visibility?

The vehicle must always travel more slowly.
The vehicle has priority when changing lanes.
✓ The driver may not see you clearly.
The driver can see you better if you follow closely.

Vans, trucks, and vehicles with blocked rear windows may have limited visibility. Keep extra distance and avoid sitting in blind spots.

Vehicle with limited rearward visibility
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why is it important to make yourself visible at night?

287. Why is it important to make yourself visible at night?

To ensure drivers can always stop in time.
To make it safe to walk closer to moving traffic.
To avoid checking for approaching vehicles.
✓ To make drivers see you more easily.

Bright or reflective clothing helps drivers notice pedestrians in low-light conditions.

Pedestrian visibility beside a road at night
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid travelling with the seatback excessively reclined?

288. Why should you avoid travelling with the seatback excessively reclined?

It can cause the seat belt to lock during normal driving.
✓ It can reduce how effectively the seat belt restrains you.
It can make the airbag deploy earlier.
It can prevent the head restraint from being adjusted.

An excessively reclined seat can affect how the seat belt fits and restrains your body and may increase the risk of sliding under the lap belt in a collision. Sit in a reasonably upright position so the lap belt stays low across the hips and the shoulder belt lies correctly across the chest.

Vehicle seat with an excessively reclined backrest
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid keeping the clutch pedal pressed while driving?

289. Why should you avoid keeping the clutch pedal pressed while driving?

It increases tyre pressure.
It locks the steering.
It applies the parking brake.
✓ It reduces engine braking and vehicle control.

Keeping the clutch pedal pressed while the vehicle is moving disconnects the engine from the transmission. This reduces engine braking and can reduce your control of the vehicle.

Clutch held down while a vehicle is moving
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you wear suitable footwear when driving?

290. Why should you wear suitable footwear when driving?

So the vehicle uses less fuel.
✓ So you can operate the pedals accurately and safely.
So the clutch cannot wear out.
So the pedals require less force to operate.

Suitable footwear helps you operate the accelerator, brake, and clutch accurately. Loose, bulky, or slippery footwear can interfere with pedal control or become caught around the pedals.

Driver's footwear and contact with the pedals
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you leave extra space behind a vehicle carrying animals?

291. Why should you leave extra space behind a vehicle carrying animals?

✓ Because it may move slowly or stop unexpectedly.
Because they cannot use their horn.
Because they must always travel in the centre of the road.
Because these vehicles always have priority.

Vehicles transporting animals may accelerate slowly, take bends carefully, or brake gently to protect their load.

Vehicle following an animal transporter
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid blocking a junction?

292. Why should you avoid blocking a junction?

✓ Other traffic needs space to move safely.
Traffic lights may stop working.
Vehicles in a junction lose priority.
Your stopping distance becomes longer.

Blocking a junction can prevent vehicles, cyclists, or pedestrians from moving safely. Enter only when there is enough space to drive through and clear the junction.

Traffic blocking a road junction
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

293. What does this dashboard symbol indicate?

Electronic stability control.
✓ A general warning requiring attention.
A brake-system fault.
Low tyre pressure.

This is a general or master warning symbol. It indicates that the vehicle has detected a condition requiring attention and is often accompanied by a message or another warning on the instrument display.

General warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What wording is commonly shown on give-way signs in Czechia?

294. What wording is commonly shown on give-way signs in Czechia?

✓ No wording.
GIVE WAY.
YIELD.
STOP.

Give-way signs in Czechia normally use the inverted triangular symbol without wording.

Wording used on give-way and yield signs
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which selector position is used to drive the vehicle backwards?

295. Which selector position is used to drive the vehicle backwards?

P (Park).
N (Neutral).
✓ R (Reverse).
D (Drive).

Select R (Reverse) when you need to drive the vehicle backwards. The vehicle should be stationary before selecting Reverse.

Automatic gear selector with P, R, N and D positions
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the windscreen wipers leave the glass smeared?

296. What should you do if the windscreen wipers leave the glass smeared?

✓ Clean the windscreen and blades, and replace worn blades.
Apply lubricant to the wiper blades.
Use the wipers at a higher speed.
Replace the washer pump instead of the blades.

Worn or dirty wiper blades can seriously reduce visibility in rain. Clean them first and replace them if they remain ineffective or damaged.

Wiper streaks on a vehicle's windscreen
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which colour combination is commonly used for warning signs in Czechia?

297. Which colour combination is commonly used for warning signs in Czechia?

Black border with yellow background.
Red border with yellow background.
✓ Red border with white background.
Blue border with white background.

Most warning signs in Czechia have a red border with a white background.

Colour combinations used for road warning signs
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you be cautious when following a vehicle carrying a loose load?

298. Why should you be cautious when following a vehicle carrying a loose load?

The vehicle must always travel at a lower speed.
✓ Objects may fall onto the road.
Loose loads prevent the driver from using the mirrors.
The vehicle must stop whenever the load shifts.

A poorly secured load can fall or shift suddenly. Keep extra distance and avoid following too closely.

Vehicle carrying an unsecured load ahead
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you leave extra space behind a motorcycle?

299. Why should you leave extra space behind a motorcycle?

✓ Motorcycles can slow down quickly and are more vulnerable.
Motorcyclists cannot see vehicles directly behind them.
Motorcycles always travel more slowly than cars.
Motorcycles need less space to stop than cars.

Motorcyclists are more exposed than car drivers. Extra following distance gives you more time to react safely.

Following distance behind a motorcycle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the minimum licence for a motorcycle with more than 35 kW?

300. What is the minimum licence for a motorcycle with more than 35 kW?

Licence A1.
Licence A2.
✓ Licence A.
Licence B.

Category A2 is limited to motorcycles with power not exceeding 35 kW. A motorcycle with more than 35 kW therefore requires category A.

Motorcycle with more than 35 kW
AI-generated by Traffic-rules.com • WCIT • CC BY-SA