Length limitSwitzerland

An introduction to the traffic rules and road signs of Switzerland. Learn about driving, road safety and much more in our illustrated book, with answers to frequently asked questions.

For informational purposes only. Always follow official regulations. Some content and images were created with AI assistance.


43. Length limit

A length limit is a restriction that prohibits vehicles or vehicle combinations longer than a specified maximum length from entering a road or area. The stated length normally includes the complete vehicle combination and any load where national rules specify this.

Length restrictions are commonly used where long vehicles cannot safely negotiate narrow streets, tight bends, bridges, tunnels or other constrained road layouts. Drivers whose vehicle exceeds the indicated limit must use another permitted route.

Length limit
Length limit of 6 metres. (Geneva, Switzerland)
Wikimedia.org • Marc Mongenet • CC BY-SA
Why might a road have a vehicle-length restriction in Switzerland?

A length restriction can protect a passage or layout where a long vehicle cannot pass or turn safely. The Swiss maximum-length sign applies to vehicles and vehicle combinations, including their load, whose length exceeds the stated figure.

🔗 fedlex.admin.ch • Switzerland: OSR article 21(3); LCR article 27

🔗 fedlex.admin.ch • Switzerland: Traffic Rules Ordinance, state 1 October 2026

🔗 fedlex.admin.ch • Switzerland: Road Traffic Act, state 1 July 2026

Vehicles longer than indicated prohibited. Vehicles longer than indicated prohibited.

English • Traffic sign 2.20 • Maximum length.

Deutsch • Verkehrssignal 2.20 • Höchstlänge.

Français • Signal 2.20 • Longueur maximale.

Italiano • Segnale 2.20 • Lunghezza massima.

Sources

🔗 Commons.wikimedia.org
🔗 Fedlex.admin.ch • SSV, Anhang 2 (DE)

🔗 Fedlex.admin.ch • OSR, annexe 2 (FR)

🔗 Fedlex.admin.ch • OSStr, allegato 2 (IT)

SVG source: Commons.wikimedia.org • Original SVG
Bundesamt für Strassen (ASTRA) • Public domain • Original revision 2017-07-04. Wikimedia original unmodified.

Artwork reviewed against the Swiss signalling ordinance, version 1 October 2026, annex 2: Fedlex.admin.ch • Signal 2.20, PDF page 105. Catalogue-equivalent illustration; intentional update from the previous PNG. This is an educational illustration, not a manufacturing specification.

Is a trailer included in the signed length restriction in Switzerland?

Yes. The maximum-length sign applies to vehicles and complete vehicle combinations including their load. Check the towing vehicle and trailer together, including any projecting load, against the stated figure.

🔗 fedlex.admin.ch • Switzerland: OSR article 21(3); LCR article 27

🔗 fedlex.admin.ch • Switzerland: Traffic Rules Ordinance, state 1 October 2026

🔗 fedlex.admin.ch • Switzerland: Road Traffic Act, state 1 July 2026

What if your vehicle combination exceeds a signed length limit in Switzerland?

Choose another permitted route before entering the restricted section. Do not assume a wide carriageway is suitable: long vehicles need room for their swept path, particularly at sharp bends, junctions and roundabouts.

🔗 fedlex.admin.ch • Switzerland: OSR article 21(3); LCR article 27

🔗 fedlex.admin.ch • Switzerland: Traffic Rules Ordinance, state 1 October 2026

🔗 fedlex.admin.ch • Switzerland: Road Traffic Act, state 1 July 2026

1 Switzerland 2 Motorway 3 Expressway 4 Residential area 5 Zone 6 Speed limit 7 Minimum speed 8 Footpath 9 Bike path 10 Shared-use path 11 Tunnel 12 Pedestrian zone 13 Customs 14 One-way traffic 15 Slope 16 Bus lane 17 Bus stop 18 Dead end 19 Stop sign 20 Give way 21 Roundabout 22 Priority road 23 Road narrowing 24 Priority over oncoming traffic 25 Give way to oncoming traffic 26 Pedestrian crossing 27 Railway crossing 28 Mandatory direction 29 Turn prohibition 30 School area 31 Overtaking 32 Crossing animals 33 Slippery road 34 Rockfall 35 Aircraft 36 Curve 37 Chevron 38 Wrong-way driving 39 Roadworks 40 Crosswind 41 Height limit 42 Width limit 43 Length limit 44 Weight limit 45 Intersection direction sign 46 Priority at the next junction 47 Traffic lights 48 Traffic lights warning 49 Pedestrian lights 50 Road markings 51 Junction layout 52 Driving licence 53 Location marker 54 Road number 55 Countdown markers 56 Traffic mirror 57 Emergency telephone 58 International border 59 Pedestrian underpass 60 Cycling route 61 End of restriction 62 Parking 63 No parking 64 No stopping 65 Parking disc 66 Reversing 67 U-turn 68 Traffic jam 69 Detour 70 Uncontrolled crossroad 71 Road surface 72 Exit 73 Information point 74 Horse riding 75 Emergency exit 76 Runaway truck ramp 77 Radio service 78 Oversize load 79 City limit 80 Hospital 81 Parking garage 82 Passing place 83 Pedestrian overpass 84 Axle weight limit 85 Licence plate 86 Charging station 87 Dangers 88 Weather 89 Turn on red 90 Pedestrian 91 Cyclist 92 Moped 93 Motorcycle 94 Car 95 Truck 96 Bus 97 Police 98 Ambulance 99 Tailgating 100 European emission standard ...