Hazard awareness is the skill of spotting danger before it happens: the child between parked cars, the cyclist about to pull round a pothole, the lorry that needs more room to turn. In the theory test it covers anticipation, reading the road and knowing which situations call for extra care. It is also the foundation of the hazard perception part of the test, where early spotting is exactly what earns points.
Last reviewed: September 2026. Checked against the Highway Code and GOV.UK.
What this topic covers in the theory test
Hazard awareness questions usually give you a scene and ask what might happen next, or what you should do about it. Typical themes:
- what counts as a hazard and how to anticipate one
- residential streets, schools, parked cars and children
- country roads, blind bends and hidden junctions
- cyclists, motorcyclists, horse riders and animals
- large vehicles, buses and trams
- emergency vehicles and vehicles with flashing amber beacons
- road markings and signs that warn of hazards ahead
- things that reduce your ability to react, such as alcohol, drugs and tiredness
Many questions have more than one sensible-looking answer. Pick the one that shows you have predicted what the other road user might do.
What is a hazard?
A hazard is anything that could make you change speed, direction or position. GOV.UK defines a developing hazard in the hazard perception test as something that would cause you to take action, like changing speed or direction.
It helps to think of hazards in three groups:
- Physical features: junctions, bends, hills, roundabouts, narrowing roads, road works.
- Road users: pedestrians, cyclists, other drivers, animals.
- Conditions: weather, darkness, low sun, road surface.
The key idea in rule 146 is that you adapt your driving to the road and conditions. It tells you not to treat speed limits as a target, to be prepared for the unexpected, and to be ready to stop at junctions, road works, crossings and similar features. Rule 125 makes the same point: the speed limit is the absolute maximum and doesn’t mean it is safe to drive at that speed.
Anticipating from clues
Good drivers read clues and ask “what could happen next?” Some clues the Highway Code highlights:
- Centre lines: when a broken centre line gets longer and the gaps shorter, there is a hazard ahead (rule 127).
- Signals: watch for other road users’ signals, but only act when you are sure it is safe (rule 104). Someone indicating might not turn.
- Flashing headlights: never assume they are an invitation to proceed (rule 111).
- Road users indicating right: don’t overtake when a road user is indicating right, even if you think the signal should have been cancelled (rule 167).
- Blind crests and bends: don’t overtake where you can’t see far enough ahead to be sure it is safe (rule 166).
Scan far ahead, to the sides and in your mirrors, rather than staring at the car in front. The earlier you notice a clue, the more time you have to respond calmly.
Residential streets, schools and children
Rule 152 says drive slowly and carefully on streets where there are likely to be pedestrians, cyclists and parked cars. It tells you to look out for:
- vehicles emerging from junctions and driveways
- vehicles moving off
- car doors opening
- pedestrians
- children running out from between parked cars
- cyclists and motorcyclists
Rule 205 adds that there is a risk of pedestrians, especially children, stepping unexpectedly into the road, and you should drive with the safety of children in mind at a speed suitable for the conditions.
Near schools, rule 208 tells you to drive slowly and be aware of young cyclists and pedestrians. A flashing amber signal below a “School” warning sign means children may be crossing. Drive slowly past a stationary bus showing a “School Bus” sign, as children may be getting on or off (rule 209), and you must stop when a school crossing patrol shows a “Stop for children” sign (rule 210).
Rule 207 lists pedestrians who may need extra care, including children and older people who may misjudge your speed, people with hearing impairments, people with walking difficulties, and blind or partially sighted people, who may carry a white cane or use a guide dog.
Country roads
Rule 154 warns you to take extra care on country roads and to reduce your speed at approaches to bends, which can be sharper than they appear, and at junctions and turnings that may be partially hidden. Be prepared for:
- pedestrians, horse riders and cyclists, as there may be no pavement
- slow-moving farm vehicles
- mud on the road surface
Make sure you can stop within the distance you can see to be clear, and reduce your speed where country roads enter villages. On single-track roads, rule 155 tells you to pull into a passing place on your left, or wait opposite one on your right, and to give way to vehicles coming uphill whenever you can.
Cyclists, motorcyclists, horses and animals
Two-wheelers are some of the hardest hazards to spot. Rule 211 says motorcyclists and cyclists are often difficult to see, particularly at junctions, and may be approaching faster than you think. Check your mirrors and blind spots carefully when turning, and don’t turn if it would make them swerve.
Rule 213 explains why a cyclist might ride in the middle of the lane: on narrow roads, quiet roads, at junctions and in slower traffic, riding centrally helps them see and be seen. Cyclists may need to change direction suddenly to avoid obstacles, so leave plenty of room. When overtaking, leave at least 1.5 metres at speeds up to 30 mph (rule 163).
For horses, rule 215 says slow down to a maximum of 10 mph when you see a horse on the road, be patient, and pass wide and slowly, allowing at least 2 metres of space. Don’t sound your horn or rev your engine. For other animals, rule 214 says drive slowly, give them plenty of room and be ready to stop.
Large vehicles, buses, trams and flashing lights
Rule 221 says large vehicles may need extra road space to turn, and their drivers may not be able to see you in their mirrors. Be prepared to stop and wait if one needs room or time to turn. A lorry that swings out before a left turn is a classic example: don’t try to squeeze past on the inside.
Rule 222 warns that large vehicles can block your view, so pull back to increase your separation distance and see further ahead. Rule 223 says give priority to buses signalling to pull away from stops when it is safe. Rule 224 reminds you that trams move quickly but silently and cannot steer to avoid you.
Flashing lights are hazard clues too:
- Blue, red or green flashing lights and sirens mean an emergency vehicle (rule 219).
- Flashing amber beacons warn of a slow-moving or stationary vehicle, such as a tractor (rule 225).
- A powered mobility vehicle for disabled people may travel at up to 8 mph and must carry a flashing amber beacon on a dual carriageway with a speed limit over 50 mph (rule 220).
Your own condition
Being able to spot hazards depends on you being fit to drive. The Highway Code says don’t drink and drive, as alcohol seriously affects your judgement and abilities (rule 95). You must not drive under the influence of drugs or medicine, or with illegal drugs or certain medicines in your blood above specified limits (rule 96). Tiredness also slows your reactions, so take a break of at least 15 minutes after every two hours of driving (rule 91).
You must also be able to read a vehicle number plate, in good daylight, from a distance of 20 metres, or 20.5 metres for older-style plates (rule 92). If you have a medical condition that is likely to affect your driving, rule 90 says you must report it to the DVLA. See GOV.UK: health conditions and driving.
Common mistakes learners make
- Only looking at the car in front instead of scanning the whole scene.
- Driving at the speed limit on a residential street lined with parked cars.
- Assuming an indicating driver will definitely turn.
- Passing a horse quickly or close because it looks calm.
- Trying to squeeze past a lorry that has swung out to turn left.
- Forgetting that trams are quiet and can’t steer.
- Not slowing down near schools at the start and end of the day.
Quick-reference table
| Hazard | What to do | Highway Code |
|---|---|---|
| Parked cars on a residential street | Drive slowly; expect doors opening and children stepping out | rule 152 |
| Stationary school bus | Drive slowly past; children may be getting on or off | rule 209 |
| Horse on the road | Maximum 10 mph, at least 2 metres when passing | rule 215 |
| Lorry turning | Be prepared to stop and wait for it | rule 221 |
| Flashing amber beacon | Slow-moving or stationary vehicle ahead | rule 225 |
| Centre line with longer lines and shorter gaps | Hazard ahead | rule 127 |
| Blind bend on a country road | Slow down; be ready for walkers, riders and farm vehicles | rule 154 |
Practice questions
These practice questions are written by Get Driving Test Ready to help you revise. They are not official DVSA questions.
Q1. You're driving along a residential street lined with parked cars. What hazard should you be especially ready for?
A) A tram overtaking you
B) Traffic lights changing to green
C) A motorway joining the road
D) Children stepping out from between the parked cars
Answer: D. On residential streets, look out for children running out from between parked cars, as well as doors opening and vehicles moving off. (Highway Code rule 152)
Practise this on the road: On residential streets lined with parked cars, practise commentary driving: say aloud the hazards you spot, such as feet under cars.
Q2. The broken white line in the centre of the road ahead has longer lines and shorter gaps. What does this mean?
A) The road becomes one-way
B) You may overtake freely
C) You're entering a 20 mph zone
D) There is a hazard ahead
Answer: D. When the lines get longer and the gaps shorter, there is a hazard ahead. Don't cross the line unless you can see the road is clear. (Highway Code rule 127)
Practise this on the road: Ask your instructor to point out hazard warning lines on your routes, and say what hazard you think is coming.
Q3. You see a horse and rider on the road ahead. What is the maximum speed you should slow down to?
A) 5 mph
B) 20 mph
C) 10 mph
D) 15 mph
Answer: C. When you see a horse on the road, slow down to a maximum of 10 mph, then pass wide and slowly, allowing at least 2 metres of space. (Highway Code rule 215)
Practise this on the road: On rural lanes, discuss with your instructor how you would slow down and pass a horse wide and slowly.
Q4. A lorry ahead moves out to the right before turning left into a side road. What should you do?
A) Be prepared to stop and wait for it to turn
B) Sound your horn to warn the driver
C) Overtake it on the left before it turns
D) Overtake on the right
Answer: A. Large vehicles may need extra road space to turn, and the driver may not be able to see you. Be prepared to stop and wait rather than passing on the inside. (Highway Code rule 221)
Practise this on the road: When following lorries or buses near junctions, practise hanging back and watching their signals and road position.
Q5. You're approaching a stationary bus showing a "School Bus" sign. What should you do?
A) Drive slowly, as children may be getting on or off
B) Sound your horn as you pass
C) Flash your headlights so the driver knows you're there
D) Overtake quickly before it moves off
Answer: A. Drive carefully and slowly when passing a stationary bus showing a "School Bus" sign, because children may be getting on or off. (Highway Code rule 209)
Practise this on the road: Near schools and bus stops, practise reducing speed and scanning for children stepping out around stationary buses.
Q6. Why might a cyclist ride in the centre of the lane on a narrow road?
A) Because cyclists must always ride there
B) Because the left side of the road is for buses only
C) Because they are about to stop
D) To see and be seen, for their own safety
Answer: D. Cyclists may ride in the centre of the lane on narrow roads and at junctions so they can see and be seen. Allow them to do so. (Highway Code rule 213)
Practise this on the road: When following a cyclist on a narrow road, practise holding back patiently until there is a safe place to overtake.
Q7. You're driving on a narrow country road approaching a sharp bend. What should you expect?
A) A pelican crossing
B) An empty road, because it's rural
C) A pedestrian, horse rider or slow farm vehicle around the bend
D) A motorway slip road
Answer: C. On country roads, reduce speed at bends and be prepared for pedestrians, horse riders, cyclists and slow-moving farm vehicles. (Highway Code rule 154)
Practise this on the road: On country roads, practise slowing before bends and saying aloud whether you could stop in the distance you can see.
Q8. What does a flashing amber beacon on a vehicle ahead usually warn you about?
A) A vehicle that is slow-moving or stationary
B) A police car on an emergency call
C) An ambulance
D) A learner driver
Answer: A. Flashing amber beacons warn of a slow-moving or stationary vehicle, such as a tractor. (Highway Code rule 225)
Practise this on the road: Point out amber beacons on vehicles to your instructor and practise approaching them early and with caution.
Q9. A car ahead is indicating right, but you think the driver has forgotten to cancel the signal. What should you do?
A) Don't overtake while the signal is showing
B) Flash your headlights to remind them
C) Sound your horn and pass
D) Overtake on the right quickly
Answer: A. Don't overtake when a road user is indicating right, even if you believe the signal should have been cancelled. (Highway Code rule 167)
Practise this on the road: When a vehicle ahead is indicating, practise staying back and waiting to see what it actually does before overtaking.
Q10. Why do trams need special care?
A) They always stop at junctions
B) They move quickly and quietly and cannot steer to avoid you
C) They give way to all other traffic
D) They only run at night
Answer: B. Trams move quickly but silently and cannot steer to avoid you. Take extra care around them. (Highway Code rule 224)
Practise this on the road: If you have trams locally, drive a route with your instructor and practise spotting tram lanes, signals and stops.
Next steps
Go back to the theory test hub for all 14 topics. Related topics: vulnerable road users, which expands on pedestrians, cyclists and horse riders, and other types of vehicle, for lorries, buses and trams. Then put your anticipation into practice with our hazard perception test guide, and learn the signs that warn of hazards in our warning signs guide.