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About this exam

The Swiss Theory B examination is the written knowledge test that anyone applying for a category B (car) learner permit in Switzerland must pass before taking practical driving lessons on public roads. It is administered by the cantonal road traffic office (Strassenverkehrsamt / service des automobiles) at an official examination centre, usually on a computer, and is offered in the national languages plus a set of permitted translations. The test probes whether you can recognise signs and markings, apply priority rules at junctions and roundabouts, judge speed and stopping distance, anticipate hazards, understand basic vehicle and tyre checks, know the alcohol and fitness-to-drive limits, and handle motorway, tunnel and loading situations safely. Preparation works best as a staged process: study the official sign catalogue and traffic rules until you can explain them, then work through practice questions that force you to read the whole situation rather than pattern-match one image, and finally rehearse the recurring traps - priority when signs conflict, following distance at speed, and the effect of alcohol, fatigue or medication on reaction time. Your cantonal office publishes the current examination format, the applicable fee and the conditions for repeating the test; check those details there, because they are set locally and change over time. This page is independent study material and is not affiliated with any cantonal authority.

What you'll study

Common questions

About Swiss Theory B preparation

Who has to take the Swiss Theory B exam?

Anyone applying for a category B learner permit in Switzerland must pass the theory examination before driving on public roads with a supervising adult. The permit and the examination are handled by the road traffic office of your canton of residence, so you register there rather than with a private school.

What does the exam actually test?

Recognition of signs and markings, priority at junctions and roundabouts, speed limits and stopping distances, hazard anticipation, basic vehicle and tyre knowledge, alcohol and fitness-to-drive rules, driver documents and insurance, and motorway, tunnel and loading situations. Questions are situational, so a single sign rarely gives the answer on its own.

How many questions are there and how long do I have?

The number of questions, the time limit and the pass threshold are set by the cantonal authorities and are revised periodically. Rather than relying on a figure from a forum or an old practice app, confirm the current format with your cantonal road traffic office or its official website before you book.

Is the exam hard?

It is passable with structured study. Most candidates who struggle have memorised sign shapes but never practised reading a whole scene: who has priority, what is hidden, what the surface and weather imply. Working through situational questions and explaining each answer aloud closes that gap faster than re-reading the rulebook.

What if I fail - can I retake it?

Retakes are possible, but the waiting period, the number of attempts and the fee are determined by your canton and can change. Ask your road traffic office about the current conditions when you register, and use the interval to review the domains where you lost points rather than repeating the same practice set.

In which language can I take the test?

The examination is offered in the official Swiss languages, and a set of additional translations is permitted. The terminology is technical, so choose the language in which you can read a question quickly and precisely; a translation you speak casually but cannot read at speed can cost you marks.

In what order should I study?

Start with signs and markings and the core priority rules, since nearly every other question depends on them. Then move to speed, following distance and stopping, then hazard perception, vehicle checks and fitness to drive. Leave documents, motorway and tunnel specifics and eco-driving for the final pass.

What are the most common mistakes?

Misjudging priority when signs and road markings seem to conflict, underestimating stopping distance at higher speeds, ignoring what is obscured by parked vehicles or bends, and treating alcohol or fatigue questions as obvious when the correct answer involves reaction time and legal limits. Reading every option before answering prevents most careless errors.

Do I need driving lessons before the theory test?

No. The theory examination comes first and does not require practical lessons. Some candidates take a few introductory lessons afterwards to connect the rules to real traffic, but that is a learning preference, not a condition for sitting the written test.

Does this page replace the official question catalogue?

No. This is independent study material written to help you understand the rules and the way questions are framed. The binding question catalogue, the format and all administrative conditions come from the cantonal authorities, and you should check those sources before your examination date.