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Switzerland Truck Theory Test Practice (C/D) 2026

Practise for the Swiss additional theory test (Zusatztheorie) for category C trucks and category D buses. The questions are written from the official rules of the road traffic offices (asa), the CZV certificate rules and federal guidance on tachographs. This is study material; check details with your cantonal road traffic office.

  • المركبات التجارية
  • سويسرا
  • عدد الأسئلة: 50
  • تمت المراجعة في 11 أكتوبر 2026

إجابة سريعة

عدد أسئلة الاختبار الرسمي: 40. درجة النجاح: 36 of 40 (no more than 4 errors) for C or D; the C1/D1 test has 30 questions with no more than 3 errors. المدة المحددة: 60 دقيقة. الجهة المنظِّمة: Cantonal road traffic office (Strassenverkehrsamt); common test standards set by the asa. الحد الأدنى للعمر: 18 for C1 and C; 21 for D1 and D. تدرّب هنا مجانًا على 50 من الأسئلة، مع الإجابة والشرح لكل سؤال. تمت مراجعته مقارنةً بالمصادر الرسمية في 11 أكتوبر 2026.

اقرأ قبل أن تتدرّبابدأ بقراءة «Swiss Truck and Bus Theory Study Guide»: ملاحظات بلغة بسيطة ورسوم توضيحية والأرقام التي يجب تذكّرها.

  1. السؤال 1 من 25

    How many questions are in the Swiss additional theory test (Zusatztheorie) for category C?
    أظهر الإجابة

    الإجابة: C. 40

    The category C additional theory test has 40 single-choice questions.

  2. السؤال 2 من 25

    How many errors are allowed in the category C additional theory test?
    أظهر الإجابة

    الإجابة: B. 4

    The test is worth 40 points and you may make at most 4 errors, so you need 36 correct answers.

  3. السؤال 3 من 25

    How long do you have for the category C or D additional theory test?
    أظهر الإجابة

    الإجابة: D. 60 minutes

    The C and D additional theory tests each last 60 minutes.

  4. السؤال 4 من 25

    What answer format does the category C additional theory test use?
    أظهر الإجابة

    الإجابة: D. Single choice: one correct answer per question

    Unlike the car test, the C, D, C1/D1 and CZV theory tests use single-choice questions.

  5. السؤال 5 من 25

    How many questions are in the additional theory test for the subcategories C1/D1?
    أظهر الإجابة

    الإجابة: B. 30

    The C1/D1 test has 30 questions and allows at most 3 errors.

  6. السؤال 6 من 25

    Which theory test must a category C applicant pass?
    أظهر الإجابة

    الإجابة: B. Only the additional theory test (Zusatztheorie)

    For category C there is no basic theory test, but the additional theory test is required.

  7. السؤال 7 من 25

    Is there an official licensed learning product for the C and D additional theory tests?
    أظهر الإجابة

    الإجابة: D. No, driving schools and trade bodies offer their own courses and materials

    The asa says no official licensed product exists for the additional categories; candidates prepare with schools or trade organisations.

  8. السؤال 8 من 25

    You passed the category C additional theory test in 2023. How long does the pass stay valid?
    أظهر الإجابة

    الإجابة: D. With no time limit

    Theory and additional theory tests passed since 1 January 2021 are valid indefinitely.

  9. السؤال 9 من 25

    Which vehicles does category C cover?
    أظهر الإجابة

    الإجابة: D. Motor vehicles over 3,500 kg total weight, except buses (category D)

    Category C is for goods vehicles over 3,500 kg; vehicles for carrying passengers belong to category D.

  10. السؤال 10 من 25

    What is the weight range for subcategory C1?
    أظهر الإجابة

    الإجابة: C. Over 3,500 kg up to 7,500 kg

    C1 covers motor vehicles over 3,500 kg but not more than 7,500 kg.

  11. السؤال 11 من 25

    With a category C licence alone, how heavy may your trailer be?
    أظهر الإجابة

    الإجابة: B. Up to 750 kg

    Category C includes a trailer of up to 750 kg. A heavier trailer needs category CE.

  12. السؤال 12 من 25

    What is the minimum age for category C in Switzerland?
    أظهر الإجابة

    الإجابة: A. 18

    The minimum age for categories C and C1 is 18.

  13. السؤال 13 من 25

    Which licence must you hold before you can learn for category C?
    أظهر الإجابة

    الإجابة: D. Category B, at least as a learner's permit

    Category C requires category B, at least at learner's permit stage.

  14. السؤال 14 من 25

    Which extra check is required for a category C learner's permit?
    أظهر الإجابة

    الإجابة: B. A traffic medical examination

    C, C1, D and D1 applicants need a traffic medical examination; no first aid course is required.

  15. السؤال 15 من 25

    What minimum eyesight is required for categories C1 and D1?
    أظهر الإجابة

    الإجابة: B. 0.8 in the better eye and 0.5 in the worse eye

    The medical minimums for heavy categories include visual acuity of 0.8 and 0.5.

  16. السؤال 16 من 25

    What is CE?
    أظهر الإجابة

    الإجابة: C. A category C vehicle towing a trailer over 750 kg

    Category CE covers combinations of a category C towing vehicle and a trailer over 750 kg.

  17. السؤال 17 من 25

    Do you need another theory test to add category CE?
    أظهر الإجابة

    الإجابة: C. No, CE needs no basic or additional theory test

    For CE there is no theory test; you need category C (at least a learner's permit) and the practical test.

  18. السؤال 18 من 25

    What is the maximum combined weight for category C1E?
    أظهر الإجابة

    الإجابة: A. 12,000 kg

    C1E covers combinations with a total combined weight of up to 12,000 kg.

  19. السؤال 19 من 25

    What must a category C practical test vehicle weigh at least (operating weight)?
    أظهر الإجابة

    الإجابة: C. 12 tonnes

    The C test vehicle must weigh at least 12 t and be at least 8 m long and 2.30 m wide.

  20. السؤال 20 من 25

    A category C learner's permit also lets you take learning drives in which category?
    أظهر الإجابة

    الإجابة: C. Category B

    The C learner's permit also allows learning drives with category B vehicles.

  21. السؤال 21 من 25

    Who may accompany a category C learner driver?
    أظهر الإجابة

    الإجابة: D. A person aged 23 or over who has held a full category C licence for at least 3 years

    The companion must be at least 23 and have held the matching licence for three years, no longer on probation.

  22. السؤال 22 من 25

    How long is a category C learner's permit valid?
    أظهر الإجابة

    الإجابة: D. 24 months

    Learner's permits for C, C1, D and D1 are valid for 24 months.

  23. السؤال 23 من 25

    Which vehicles does category D cover?
    أظهر الإجابة

    الإجابة: B. Passenger vehicles with more than 8 seats besides the driver's seat

    Category D is for motor vehicles carrying people with more than eight seats in addition to the driver's.

  24. السؤال 24 من 25

    How many seats may a D1 vehicle have besides the driver's seat?
    أظهر الإجابة

    الإجابة: D. More than 8 and up to 16

    Subcategory D1 covers passenger vehicles with more than 8 but no more than 16 seats.

  25. السؤال 25 من 25

    What is the minimum age for categories D and D1?
    أظهر الإجابة

    الإجابة: B. 21

    The minimum age for buses (D and D1) is 21.

ما يجب معرفته قبل الاختبار

  • The additional theory test for category C or D has 40 single-choice questions in 60 minutes. You may make at most 4 errors.
  • The C1/D1 additional theory test has 30 single-choice questions, with at most 3 errors.
  • Categories C and C1 start at age 18 and need category B. Categories D and D1 start at age 21. All four need a traffic medical examination.
  • For most commercial transport, C, C1, D and D1 drivers also need a certificate of professional competence under the CZV. It is valid for 5 years and renewed with 5 days of training.
  • The written CZV theory test has 40 questions in 60 minutes at your cantonal road traffic office, plus two e-tests, an oral exam and a practical exam.
  • There is no official licensed learning product for the C and D tests. Driving schools and trade organisations offer courses and materials.

الأسئلة الشائعة

How many questions are on the Swiss truck theory test?

The category C additional theory test has 40 single-choice questions. You have 60 minutes and may make no more than 4 errors.

Do I need to pass the car theory test again for a truck licence?

No. For category C you take only the additional theory test (Zusatztheorie). You must already hold category B, at least as a learner's permit.

Is the CZV test the same as the truck theory test?

No. The licence test and the CZV certificate are separate. The written CZV test comes after the regular additional theory test and has its own 40 questions.

Do I need the CZV certificate to drive a truck?

Only for transport that is not covered by the exceptions in Article 3 CZV. Private trips, learner drives and some work trips with your own materials are exempt.

How long does a theory pass last?

Theory and additional theory tests passed since 1 January 2021 are valid with no time limit.

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