Vehicle handling is about how your car behaves on different roads and in different weather, and how you keep it under control. This theory test topic covers braking, skidding, hills, water, ice, fog, wind and traffic calming, and it is one of the most practical topics you will revise.
Last reviewed: September 2026. Checked against the Highway Code and GOV.UK.
What this topic covers in the theory test
Questions in this section usually give you a road or weather condition and ask how it affects your car or what you should do. Expect questions on:
- stopping distances and how they change in the wet and on ice
- braking correctly, including cars with anti-lock brakes (ABS)
- what to do if the car skids, and how to avoid skids in the first place
- driving in snow and ice, fog, heavy rain, strong wind and hot weather
- using headlights and fog lights correctly
- driving through water and testing your brakes afterwards
- coasting, engine braking and driving down steep hills
- traffic calming measures such as road humps and chicanes
- country roads, single-track roads and passing places
Stopping distances and the weather
Your overall stopping distance is your thinking distance (how far you travel before you react) plus your braking distance (how far you travel once the brakes are on). The Highway Code’s typical stopping distances chart gives these figures for a car on a dry road:
| Speed | Thinking distance | Braking distance | Overall stopping distance |
|---|---|---|---|
| 20 mph | 6 m | 6 m | 12 m (about 3 car lengths) |
| 30 mph | 9 m | 14 m | 23 m (about 6 car lengths) |
| 40 mph | 12 m | 24 m | 36 m (about 9 car lengths) |
| 50 mph | 15 m | 38 m | 53 m (about 13 car lengths) |
| 60 mph | 18 m | 55 m | 73 m (about 18 car lengths) |
| 70 mph | 21 m | 75 m | 96 m (about 24 car lengths) |
Notice that when speed doubles from 30 to 60 mph, the braking distance roughly quadruples. That is why small increases in speed make such a big difference.
Weather changes these figures dramatically:
- In wet weather, stopping distances will be at least double those on dry roads (rule 227). Rule 126 in the general rules says the two-second gap should be doubled on wet roads.
- On icy roads, stopping distances can be ten times greater than on dry roads (rule 230), and the gap should be up to ten times greater (rule 126).
Rule 126 also gives the golden rule: drive at a speed that will allow you to stop well within the distance you can see to be clear.
Braking, ABS and skids
Braking in normal conditions
Rule 117 says the safest way to brake is early and lightly, then more firmly as you begin to stop, easing off just before the car comes to rest to avoid a jerky stop. Braking late and hard is how rear-end collisions and skids start.
Emergency braking and ABS
In an emergency, brake immediately (rule 118). Without ABS, braking too hard can lock the wheels, and a car with locked front wheels cannot be steered. If your car has ABS, rule 120 says you should follow the vehicle handbook, but in an emergency apply the footbrake firmly and do not release the pressure until the car has slowed to the speed you want. ABS is designed to stop the wheels locking, so you can keep steering while you brake hard. It is not a reason to drive faster or closer: the laws of physics still apply, and you still need a safe gap.
Skids
Skids are usually caused by the driver: braking, steering or accelerating too harshly for the road conditions. Rule 119 says that if the car starts to skid you should remove the cause, by releasing the brake pedal fully or easing off the accelerator, and steer in the direction of the skid. For example, if the back of the car slides to the right, steer to the right to bring it back in line. Be careful not to over-steer.
Snow, ice and cold weather
Rule 228 says you should not drive in snowy or icy weather unless your journey is essential. If it is, take great care and allow more time. Before you set off, rule 229 says you MUST be able to see, so clear all snow and ice from all your windows. Make sure your lights are clean and your number plates are clearly visible too.
On the move (rules 230 and 231):
- Drive at a slow speed in as high a gear as possible, and accelerate and brake very gently.
- Drive particularly slowly on bends, where loss of control is more likely. Brake progressively on the straight before you reach the bend, then steer smoothly round it.
- Keep well back, because stopping distances can be ten times greater than on dry roads.
- If the steering feels unresponsive, this may mean ice. On ice, tyres make virtually no noise.
- Avoid sudden actions of any kind, as they can cause loss of control.
Wet roads, flooding and aquaplaning
Rain reduces your grip and your view. Rule 227 says to keep well back from the vehicle in front, and that if the steering becomes unresponsive, water is probably preventing the tyres from gripping the road. When this happens, ease off the accelerator and slow down gradually. This loss of grip on a layer of water is called aquaplaning. Spray from large vehicles can also make it hard to see, so use dipped headlights if visibility is reduced.
If you have driven through deep water or a ford, your brakes may not work properly. Rule 121 says to test them at the first safe opportunity by pushing gently on the brake pedal. If they are not working fully, gently apply light pressure while driving slowly to help dry them out.
Fog, lights and visibility
Rule 226 says you MUST use headlights when visibility is seriously reduced, which generally means when you cannot see for more than 100 metres (328 feet). You may also use front or rear fog lights, but you MUST switch them off when visibility improves. Rule 236 explains why: fog lights left on in clear conditions dazzle other road users and can hide your brake lights.
In fog (rules 234 and 235):
- Check your mirrors, then slow down, before you enter fog.
- Keep a safe distance behind the vehicle in front. Following its rear lights can give a false sense of security.
- Be able to pull up well within the distance you can see clearly, especially on motorways and dual carriageways.
- Use your windscreen wipers and demisters, and watch for other drivers who are not using headlights.
- Do not speed up to get away from a vehicle that is too close behind you.
- At a junction with limited visibility, stop in the correct position and listen for traffic before emerging.
Wind and hot weather
Strong winds affect high-sided vehicles most, but gusts can push any vehicle off course (rules 232 and 233). This is most likely on open stretches of road, when passing gaps between buildings, and on bridges. Cyclists, motorcyclists and horse riders can be blown about too, so give them extra room.
In hot weather (rule 237), keep your car well ventilated to avoid drowsiness, and be aware that the road surface may become soft or, if it rains after a dry spell, slippery.
Hills, coasting and engine braking
Going down a long hill, choose a lower gear before you start the descent (rule 160 in the Using the road section). The engine then helps to control your speed, which is called engine braking, and you will not need to rely only on your brakes.
Rule 122 warns against coasting, which means travelling in neutral or with the clutch pressed down. Coasting reduces your control because engine braking is lost, the car speeds up on downhill slopes, and steering response and your ability to correct a skid are affected.
Traffic calming and country roads
Road humps, chicanes and narrowings are designed to slow traffic, often where there are pedestrians or cyclists. Rule 153 says to keep your speed down over the whole length of these features, to allow cyclists and motorcyclists room to pass through, and not to overtake other moving road users while in these areas.
On country roads, rule 154 says to expect sharp bends, pedestrians, cyclists, horse riders, farm vehicles and animals, and to be able to stop within the distance you can see to be clear. On single-track roads (rule 155), use passing places to let oncoming traffic pass or let traffic behind overtake. Give way to vehicles coming uphill whenever you can, and do not park in passing places (rule 156).
Common mistakes learners make
- Thinking ABS means you can brake later or follow more closely. Its job is to stop the wheels locking so you can still steer.
- Leaving fog lights on after the fog clears, which dazzles others and hides brake lights.
- Braking on a bend in icy conditions instead of before it.
- Setting off with only a small “porthole” cleared in a frosted windscreen.
- Coasting downhill in neutral to “save fuel”.
- Forgetting to test the brakes after driving through a flood or ford.
- Keeping a normal two-second gap in heavy rain, instead of doubling it.
Quick-reference table
| Condition | Stopping distance or gap | Key action | Rule |
|---|---|---|---|
| Dry road, 30 mph | 23 m overall | Stop well within the distance you can see | 126 |
| Wet road | At least double | Double the two-second gap; ease off if steering feels light | 126, 227 |
| Ice or snow | Up to ten times greater | High gear, gentle controls, brake before bends | 126, 230, 231 |
| Visibility under 100 m | Stop within what you can see | Headlights on; fog lights allowed, off when it clears | 226, 234 to 236 |
| After deep water | Brakes may be weak | Test them gently, dry them at low speed | 121 |
| Skid | Not applicable | Remove the cause, steer into the skid | 119 |
Practice questions
These practice questions are written by Get Driving Test Ready to help you revise. They are not official DVSA questions.
Q1. What is the typical overall stopping distance for a car at 50 mph on a dry road?
A) 53 metres
B) 36 metres
C) 73 metres
D) 96 metres
Answer: A. The Highway Code's typical stopping distances chart shows 15 metres thinking distance plus 38 metres braking distance, a total of 53 metres, at 50 mph. (Highway Code rule 126)
Practise this on the road: On a quiet road, practise counting a two-second gap to the vehicle in front and doubling it when wet.
Q2. How much greater can stopping distances be on icy roads compared with dry roads?
A) Up to ten times as far
B) They stay about the same with ABS
C) Up to five times as far
D) Up to twice as far
Answer: A. Stopping distances can be ten times greater on ice than on dry roads, so keep well back. (Highway Code rule 230)
Practise this on the road: On a cold morning drive, discuss with your supervisor how much further back you should stay in icy conditions.
Q3. The rear of your car begins to slide to the left on a bend. What should you do?
A) Ease off the cause of the skid and steer to the left
B) Brake hard and steer to the right
C) Accelerate firmly and steer to the right
D) Pull the handbrake on
Answer: A. Remove the cause of the skid (release the brake or ease off the accelerator) and steer in the direction of the skid. (Highway Code rule 119)
Practise this on the road: Discuss with your instructor what causes skids and how smooth braking, steering and acceleration help prevent them.
Q4. Your car has anti-lock brakes. How should you brake in an emergency?
A) Pump the brake pedal on and off quickly
B) Apply the footbrake firmly and keep the pressure on
C) Brake gently to stop the ABS from working
D) Use the handbrake first, then the footbrake
Answer: B. With ABS, apply the footbrake firmly and do not release the pressure until the car has slowed to the speed you want. (Highway Code rule 120)
Practise this on the road: Ask your instructor to supervise a controlled emergency stop in a safe place so you feel how your brakes respond.
Q5. You have just driven through a deep ford. What should you do first?
A) Drive fast for a mile to dry the engine
B) Stop and wait for the engine to cool
C) Test your brakes gently at the first safe opportunity
D) Switch on your rear fog lights
Answer: C. Brakes can be affected by water. Test them at the first safe opportunity by pushing gently on the pedal, and dry them by applying light pressure while driving slowly. (Highway Code rule 121)
Practise this on the road: After driving through standing water, practise testing your brakes gently when it is safe to do so.
Q6. Driving in heavy rain, your steering suddenly feels very light. What is the most likely cause?
A) Your tyres are losing grip on water
B) Your brakes have overheated
C) Your tyre pressures are too high
D) Your power steering has failed
Answer: A. Unresponsive steering in the wet usually means water is stopping your tyres from gripping the road. Ease off the accelerator and slow down gradually. (Highway Code rule 227)
Practise this on the road: On a wet drive, practise keeping a bigger gap and easing off gently if the steering feels light.
Q7. When MUST you use your headlights during the day?
A) When visibility is seriously reduced, generally under 100 metres
B) Only on motorways
C) Whenever it is raining lightly
D) Whenever you drive through a built-up area
Answer: A. You MUST use headlights when visibility is seriously reduced, generally when you cannot see for more than 100 metres. (Highway Code rule 226)
Practise this on the road: Find your headlight and fog light controls while parked, and discuss when each one must be used.
Q8. The fog you were driving through has cleared. What must you do with your fog lights?
A) Leave them on for the rest of the journey
B) Switch them off
C) Switch to hazard warning lights instead
D) Switch off the rear fog lights only
Answer: B. You MUST switch fog lights off when visibility improves, because they can dazzle others and hide your brake lights. (Highway Code rules 226 and 236)
Practise this on the road: Check the fog light warning symbol on your dashboard and practise switching fog lights on and off while parked.
Q9. Why is coasting downhill in neutral a bad idea?
A) It uses more fuel than driving in gear
B) It removes engine braking, so you have less control
C) It is only dangerous in automatic cars
D) It makes your headlights dimmer
Answer: B. Coasting takes away engine braking, lets the car speed up downhill and affects your steering and ability to correct a skid. (Highway Code rule 122)
Practise this on the road: On a downhill road, practise staying in a suitable gear and using engine braking with gentle footbrake.
Q10. You are on a narrow single-track road and a car is coming uphill towards you. There is a passing place on your left. What should you do?
A) Pull into the passing place and let it through
B) Carry on, as vehicles going downhill have priority
C) Park in the passing place and switch off your engine for a break
D) Flash your headlights so it reverses
Answer: A. Use passing places to let oncoming traffic pass, and give way to vehicles coming uphill whenever you can. Never park in a passing place. (Highway Code rules 155 and 156)
Practise this on the road: On a narrow road with your supervisor, practise spotting passing places early and pulling in to let others through.
Next steps
Head back to the theory test hub to choose another topic. The closest related topics are safety margins, which goes deeper into following distances, and safety and your vehicle. Changing weather and road surfaces also appear in many hazard perception clips.
You can read every rule quoted here in the Highway Code’s adverse weather section on GOV.UK.