Mock Test #4 – Car Theory Questions

Driver's Mock Test #3 - Car Theory Questions

#1: Traffic signs telling you what you must do are generally which shape?

Blue circles generally give a mandatory instruction and red rings or circles tell you what you must not do.

#2: You are approaching a zebra crossing where pedestrians are waiting. What is the wrong thing to do in this situation?

Do not wave or use your horn to invite pedestrians across - this could be dangerous if another vehicle is approaching. Be ready to slow down or stop to let pedestrians cross. You must give way when a pedestrian has moved onto a crossing. This question asked which is the wrong thing to do!

Highway code rules: 195, 196.

#3: If traffic lights aren’t working, you:

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If the traffic lights are not working, treat the situation as you would an unmarked junction and proceed with great care.

Traffic lights not working means that the traffic lights do not light up. An unmarked junction does not have any give way or stop signs and will have no junction lines. In general, no one has priority in this type of junction.

Highway code rule: 176.

#4: What does this sign mean?

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The Ford sign is used at all fords, even those which dry up in summer. It is placed at the entry to the road leading to the ford.

Where a road is subjected to frequent flooding, the sign may be used with the plate Road liable to flooding.

#5: You are following a large vehicle. The driver signals to turn left into a narrow road. What should you do?

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DO NOT overtake when approaching or at a road junction on either side of the road.

Highway code rules: 165, 166, 167.

#6: You see double white lines on the road. The line nearest to you is solid. What does it mean?

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Double white lines where the line nearest you is solid. This means you must not cross or straddle it unless it is safe and you need to enter adjoining premises or a side road.

You may cross the line if necessary, provided the road is clear, to pass a stationary vehicle, or overtake a pedal cycle, horse or road maintenance vehicle, if they are travelling at 10 mph (16 km/h) or less.

Highway code rule: 129.

#7: A driver suddenly pulls out into your path at a junction. If there is no immediate danger, you should:

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Slow down and hold back if a road user pulls out into your path at a junction. Allow them to get clear. Do not over-react by driving too close behind to intimidate them.

Highway code rule: 147.

#8: You are towing a caravan along a motorway. The caravan begins to swerve from side to side. What is the best thing to do?

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Ease off the accelerator and reduce speed gently to regain control. Braking or steering heavily can make matters worse.

To avoid swerving or snaking, you should properly distribute the weight in your caravan or trailer with heavy items mainly over the axle(s).

Highway code rule: 98.

#9: You are driving a slow-moving vehicle and traffic is queuing up behind you. What is the best thing to do?

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Do not hold up a long queue of traffic, especially if you are driving a large or slow-moving vehicle. Check your mirrors frequently, and if necessary, pull in where it is safe and let traffic pass.

Failure to pull over when you have a long queue of traffic behind you could constitute an offence of inconsiderate driving.

Highway code rule: 169.

#10: When you approach horses and horse riders on a country road, you should:

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Always pass wide and slowly. Horse riders are often children, so take extra care and remember riders may ride in double file when escorting a young or inexperienced horse or rider. Look out for horse riders' and horse drivers' signals and heed a request to slow down or stop. Take great care and treat all horses as a potential hazard.

Highway code rule: 215.

#11: You are at traffic lights wishing to turn. When a filter green arrow turns on for your lane, you should:

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When facing a green filter arrow, you may proceed only in the direction of the arrow. Give way to vehicles and pedestrians still in the junction at the time of the light change. A directional green filter arrow means that you have priority over traffic as their lights will be on red when you make the turn. Always check that opposing traffic has stopped before proceeding.

Highway code rule: 177.

#12: Which of the following result from drinking alcohol?

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Any amount of alcohol affects your ability to drive safely. It affects judgement of speed, distance and risk. It reduces co-ordination and slows down reactions. It also gives a false sense of confidence.

Highway code rule: 95.

#13: Ahead of you there is a moving vehicle with a flashing amber beacon. This indicates that the vehicle is

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Flashing amber beacons warn of a slow-moving or stationary vehicle (such as a Traffic Officer vehicle, salt spreader, snow plough or recovery vehicle) or abnormal loads, so approach with caution.

Highway code rules: 220, 225.

#14: It is recommended that you turn on your hazard warning lights when your vehicle is:

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Hazard warning lights may be used when your vehicle is stationary and temporarily obstructing traffic. You may also use them when you are on a motorway or unrestricted dual carriageway and you need to warn drivers behind you of a hazard or obstruction ahead.

Highway code rule: 116.

#15: The white line along the side of the road marks:

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Solid white lines mark the edge of the carriageway.

Highway code rule: 132.

#16: You arrive at the scene of an accident. There are casualties still in vehicles. When should you attempt to move casualties?

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If there is no danger from approaching traffic or fire, you should not move casualties still in vehicles.

Highway code rule: 283.

#17: You have stopped at a junction. The traffic light turns green. When should you not proceed at green?

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A steady green traffic light means you can go through the junction. Only go forward when the traffic lights are green if there is room for you to clear the junction safely or you are taking up a position to turn right.

Highway code rules: 176, 109.

#18: You are driving in heavy rain. Your steering suddenly becomes very light. You should:

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If the steering becomes unresponsive, it probably means that water is preventing the tyres from gripping the road. Ease off the accelerator and slow down gradually.

Highway code rule: 227.

#19: When is it dangerous to overtake another vehicle?

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DO NOT overtake if there is any doubt, or where you cannot see far enough ahead to be sure it is safe.

Highway code rules: 165, 166, 167.

#20: What road markings indicate a box junction?

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Box junctions have criss-cross yellow lines painted on the road.

Highway code rule: 174.



More Car Theory Test Questions

Another test with 20 car theory questions taken from a larger set of test questions and answers.

You can use our FREE theory questions to practise for the DVSA examination and for self-evaluation. Each mock test helps you determine if you are ready for the final exam or not.

Our mock tests aren’t only for newbies. They can also be used by anyone who wants to brush up their knowledge about U.K. driving rules. Several new laws have been added the last 10 years, laws that every driver must know, regardless if they have already passed the knowledge exam or not.

The first book you must study is the U.K. Highway code. Make sure you have the latest copy. You must also get the booklet ‘Know Your Traffic Signs‘. It explains all the traffic signs you should know for your exam.

Even drivers who passed their driving test some years ago should keep up to date with recently introduced signs. has several simple tests that cover the U.K. traffic signs. They are a good supplement to the tests found on this website.

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