The UK car theory test’s hazard perception section has 14 video clips containing 15 developing hazards. You can score up to five points for each hazard, and need at least 44 out of 75 to pass this section. The key is to click when a situation begins to develop into something that would make you change speed or direction—not simply when you first spot a possible danger.
What happens in the hazard perception test?
After an introductory video, you watch 14 clips showing everyday road scenes. Each clip contains at least one developing hazard; one clip contains two, making 15 hazards in total. These figures apply to the UK car test. Other vehicle categories may have different pass marks, so check the guidance for your test category.
The test uses computer-generated imagery clips. The DVSA introduced CGI clips on 12 January 2015, replacing older filmed clips. The agency said the change made it possible to represent situations involving vulnerable road users without the same production risks; it did not say CGI changes the scoring method.
Weather can feature, too. In 2018, the DVSA announced scenarios involving fog, rain, snow and ice, and wind, while confirming the scoring method and pass mark were unchanged.
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What counts as a developing hazard?
A developing hazard is a situation that would require you to take action, such as changing speed or direction. The important distinction is between something you can see and a situation that is actually developing: a parked car, by itself, is not yet a developing hazard. If it signals and begins to pull out, it may become one.
Ask yourself: “Is this changing in a way that could make me alter what I do?” Click when the situation starts to develop—not just because an object or road user is present, and not after the need to act has become obvious.
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How the scoring works
Each developing hazard is worth up to five points. Your score depends on how early you respond within the scoring window: click as soon as you see the hazard starting to develop. The car hazard perception pass mark is 44 out of 75.
- A wrong click does not, by itself, subtract points.
- Continuous clicking or clicking in a repeated pattern results in no score for the clip.
- You get one attempt per clip. You cannot replay a clip to review your response or change it afterward.
How to prepare without memorising clips
Practice recognizing the moment a situation becomes actionable. Practice clips resemble the live task but are not the exact clips used in the live test, so learning a particular video by heart is not a reliable strategy.
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- Watch for change. Notice when a road user or situation begins to move or otherwise develop, rather than clicking for every possible risk you see.
- Click promptly when it develops. Aim for the onset of the need to respond, such as when a vehicle begins moving out and could affect your path.
- Use deliberate clicks. Avoid repeated or patterned clicking; it can invalidate your score for that clip.
- Practise with varied scenes. Use materials that help you recognize different developing hazards and road conditions, rather than relying on familiarity with a single clip.
Choosing practice materials
Two formats listed in the HSE Books-hosted DVSA catalogue are a printed guide and a DVD-ROM edition. The catalogue identifies the following editions and snapshot prices; prices and availability can change, so check the current listing before buying.
| Material | Format | Catalogue details |
|---|---|---|
| The Official DVSA Guide to Hazard Perception | Book | ISBN 9780115534652; catalogue price £14.99 |
| The Official DVSA Guide to Hazard Perception | DVD-ROM with interactive video clips | ISBN 9780115534676; catalogue price £12.99 |
The book is suited to reading and explanation; interactive clips let you practise responding to moving scenes. The available listing confirms the DVD-ROM format, but does not establish its current compatibility with particular computers. Check the seller’s current product details before relying on it.
The DVSA also licenses practice clips to revision-product publishers. Its guidance says those clips are similar to, but not the same as, live-test clips. The guidance’s £550–£1,200 range was a historical price for licensed clip packages, depending on quantity—not a current consumer price for a learner’s study aid.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Passing the full car theory test
Passing hazard perception alone is not enough: you must also pass the multiple-choice part of the car theory test. The theory-test pass certificate number is valid for two years. If you have not passed your driving test within that period, you must pass the theory test again.
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Official guidance
- DVSA: Theory test—cars: hazard perception test
- DVSA: Theory test—cars: pass mark and test result
- DVSA: Hazard perception clips get a modern makeover
- DVSA: Make and sell driving theory test revision products
- DVSA: Hazard perception test now features more weather conditions
- HSE Books: DVSA bestsellers catalogue
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
