Cheat Sheet · Swiss Car Theory Test

Numbers to Remember
Car Theory Test

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All key numbers, formulas and limit values for the Swiss car theory test — compact at a glance.

Cheat Sheet

All Numbers for the Car Theory Test

These numbers come up regularly in the ASA theory test. Learn them by heart — they save you valuable points.

Speed

Speed Limits in Switzerland

Urban areas (general)

50 km/h

30 km/h zone / encounter zone

30 km/h

Encounter zone (parking/pedestrian area)

20 km/h

Outside urban areas (general)

80 km/h

Expressways

100 km/h

Motorways

120 km/h

Safe distance

Distances & Formulas

Safe distance in metres(e.g. 120 km/h → 60 m)

½ Speedo

Two-second rule (rule of thumb)

2 sec.

Reaction distance in metres(v in km/h)

(v÷10) × 3

Braking distance in metres (normal)

(v÷10)²

Braking distance (emergency braking)

(v÷10)²÷2

Minimum distance before pedestrian crossing (no stopping)

5 m

Lighting & Visibility

Visibility ranges & lights

Daytime running lights or dipped headlights required

During the day

Rear fog light required when visibility below 50 m

50 m

Dipped headlights: visible in good conditions

100 m

Full beam: visible in good conditions

300 m

Minimum tyre tread depth (Switzerland)

1,6 mm

Parking & Stopping

Prohibitions & Distances

No stopping before pedestrian crossing

5 m

No stopping before junctions/intersections

10 m

No stopping before bus stop signs

15 m

Minimum width for pedestrians on pavement

1,5 m

Parking on pavement (Art. 41 VRV)

Prohibited

Blue zone: parking disc required, max. 1–1.5 h

Blue

Child restraint & seatbelt

Vehicle obligations

Children need a child seat: up to 12 years AND under 150 cm

12 yrs / 150 cm

Fine for not wearing a seatbelt

CHF 60.–

Seatbelt for all occupants (SVG Art. 3a)

Required

Responsibility for child restraint: driver

Required

Emergency & First Aid

Emergency numbers & rules

Police

117

Ambulance

144

Fire brigade

118

TCS breakdown service

140

European emergency number (valid across Europe)

112

Duty to assist after an accident (SVG Art. 51)

Required

Driving licence & training

Key numbers

Minimum age for category B licence

18 years

Learner's permit possible (since 2021)

17 years

Probationary period (provisional licence)

3 years

First aid course validity

6 years

Max. age of eye test for learner's permit

24 months

Minimum licence suspension for 21 km/h over limit in urban areas

1 month

Loads

Roof load, overhang & cargo

Roof load: max. per vehicle registration

Manufacturer's specification

Front overhangmax. from centre of steering axle (Art. 73 para. 3 VRV)

3,00 m

Rear overhangmax. from centre of rear axle (Art. 73 para. 3 VRV)

5,00 m

Lateral overhang on multi-track vehicles (Art. 73 para. 2 VRV)

Prohibited

Marking required at rearsignal device with red-white stripes required

> 1 m

Overhanging loads must be markedday: flag/board; night: light or reflector

Day/Night

Min. share on steering axlemin. 20% of operating weight on steering axle

20 %

Note: All information is based on the Swiss Road Traffic Act (SVG), the Traffic Rules Ordinance (VRV) and the Traffic Signals Ordinance (SSV). Formulas (reaction distance, braking distance) are rules of thumb for training — not exact physical values. As of: 2025.

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