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.
Respuesta rápida
El examen oficial tiene 40 preguntas. Para aprobar: 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. Tiempo límite: 60 minutos. Lo organiza: Cantonal road traffic office (Strassenverkehrsamt); common test standards set by the asa. Edad mínima: 18 for C1 and C; 21 for D1 and D. Practica aquí gratis con 50 preguntas, cada una con la respuesta y una explicación. Contrastado con fuentes oficiales el 11 de octubre de 2026.
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Pregunta 1 de 25
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Respuesta: C. 40
The category C additional theory test has 40 single-choice questions.
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Pregunta 2 de 25
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Respuesta: B. 4
The test is worth 40 points and you may make at most 4 errors, so you need 36 correct answers.
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Pregunta 3 de 25
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Respuesta: D. 60 minutes
The C and D additional theory tests each last 60 minutes.
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Pregunta 4 de 25
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Respuesta: 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.
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Pregunta 5 de 25
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Respuesta: B. 30
The C1/D1 test has 30 questions and allows at most 3 errors.
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Pregunta 6 de 25
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Respuesta: B. Only the additional theory test (Zusatztheorie)
For category C there is no basic theory test, but the additional theory test is required.
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Pregunta 7 de 25
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Respuesta: 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.
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Pregunta 8 de 25
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Respuesta: D. With no time limit
Theory and additional theory tests passed since 1 January 2021 are valid indefinitely.
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Pregunta 9 de 25
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Respuesta: 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.
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Pregunta 10 de 25
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Respuesta: 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.
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Pregunta 11 de 25
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Respuesta: B. Up to 750 kg
Category C includes a trailer of up to 750 kg. A heavier trailer needs category CE.
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Pregunta 12 de 25
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Respuesta: A. 18
The minimum age for categories C and C1 is 18.
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Pregunta 13 de 25
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Respuesta: D. Category B, at least as a learner's permit
Category C requires category B, at least at learner's permit stage.
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Pregunta 14 de 25
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Respuesta: B. A traffic medical examination
C, C1, D and D1 applicants need a traffic medical examination; no first aid course is required.
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Pregunta 15 de 25
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Respuesta: 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.
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Pregunta 16 de 25
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Respuesta: 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.
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Pregunta 17 de 25
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Respuesta: 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.
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Pregunta 18 de 25
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Respuesta: A. 12,000 kg
C1E covers combinations with a total combined weight of up to 12,000 kg.
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Pregunta 19 de 25
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Respuesta: 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.
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Pregunta 20 de 25
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Respuesta: C. Category B
The C learner's permit also allows learning drives with category B vehicles.
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Pregunta 21 de 25
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Respuesta: 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.
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Pregunta 22 de 25
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Respuesta: D. 24 months
Learner's permits for C, C1, D and D1 are valid for 24 months.
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Pregunta 23 de 25
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Respuesta: 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.
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Pregunta 24 de 25
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Respuesta: D. More than 8 and up to 16
Subcategory D1 covers passenger vehicles with more than 8 but no more than 16 seats.
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Pregunta 25 de 25
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Respuesta: B. 21
The minimum age for buses (D and D1) is 21.
Teclado: 1–4 para responder, Intro para la siguiente pregunta.
El examen real: 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
Qué debes saber antes del examen
- 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.
Preguntas frecuentes
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.
Fuentes
- asa: Theory test format (Prüfungsform)
- asa: Test content (Prüfungsinhalte)
- asa: Learning materials (Lernmittel)
- fuehrerausweise.ch (asa): Category C
- fuehrerausweise.ch (asa): Category C1
- fuehrerausweise.ch (asa): Category CE
- fuehrerausweise.ch (asa): Category D
- fuehrerausweise.ch (asa): Category D1
- fuehrerausweise.ch (asa): CZV
- fuehrerausweise.ch (asa): FAQ training, courses and exams
- cambus.ch (asa): CZV exams
- cambus.ch (asa): Periodic training
- cambus.ch (asa): FAQ on the certificate
- cambus.ch (asa): Who needs the certificate
- cambus.ch (asa): Driver card
- ASTRA: Tachograph FAQ
- ASTRA: Information on the Swiss driving licence
- Canton of Neuchâtel road office (OCN): Alcohol at the wheel