Route for Long Vehicle Combinations
The sign indicates a road suitable for long vehicle combinations
When You See This Sign
When you see the sign, drivers of long vehicle combinations should choose the indicated route when possible to reduce the risk of problems in narrow or unsuitable street environments. Other road users should show consideration and be prepared that these vehicles may need extra turning space or perform slower maneuvers.
Rules & Regulations
- The sign indicates a road suitable for long vehicle combinations (e.g., heavy trucks with trailers or multiple towed units) and shows a recommended circulation or through-route for such vehicles.
- Drivers of long vehicle combinations should, as far as possible, use the indicated route to avoid narrow streets, sharp turns, low bridges or other obstacles that may be present on alternative roads.
- Other road users should show consideration and give space when long vehicles follow such a route, because they may need more room for turns and lane changes.
- Municipal traffic regulations or temporary provisions may make the route mandatory for certain types of vehicles in a given area; check local signs and supplementary plates.
Tips for Drivers
- Plan ahead: if you are driving a long vehicle, follow the sign to avoid risky maneuvers on smaller streets and to ensure space for turns.
- Watch for subsequent direction signs and supplementary plates — sometimes restrictions or exceptions are shown directly at the sign that affect whether you must follow it.
- When you see long vehicles on a designated route, give extra lateral space and avoid squeezing past in narrow sections, because the vehicle combination may need to turn or widen.
- Use your mirrors and switch on hazard lights in good time during wide turns so that other road users understand you need extra space.
Common Mistakes
- Thinking the sign is a general prohibition sign for other vehicles — it shows a suitable/indicated route for long vehicle combinations, not a ban for passenger cars.
- Assuming the road is completely free of obstacles or restrictions just because the sign is present — local restrictions (e.g., weight or height) may still apply.
Test Yourself
Road Sign: Route for Long Vehicle Combinations
What does this sign mean for long vehicle combinations?
- A It indicates a route that is suitable for long vehicle combinations
- B It prohibits long vehicle combinations from using the road
- C It shows where rest areas for heavy vehicles are located
- D It indicates the maximum vehicle height
Exam Tip
On the theory test, a trick question may concern whether the sign is mandatory for all road users — the correct answer is that it indicates a suitable/indicated route for long vehicle combinations, not a general prohibition for other road users; also check whether there are supplementary plates that make it mandatory for certain vehicles.
Did You Know?
Route signs for special vehicles are often used in port areas, industrial clusters and at border crossings to direct long vehicles along safer and better-adapted roads.
Frequently Asked Questions
Am I required to follow the sign if I am driving a passenger car?
No, the sign indicates a road suitable for long vehicle combinations and is primarily directed at them. Passenger cars are normally allowed to use other roads, but should show consideration when long vehicles follow the indicated route.
Which vehicles are considered 'long vehicle combinations'?
The term normally refers to heavy truck combinations with trailers or semi-trailers that together result in a large length and different driving characteristics than a standard truck. Exactly what counts can vary depending on local regulations and the vehicle's registered length.
Does the sign guarantee there are no obstacles like a low bridge or weight restriction along the route?
No, the sign indicates that the road is suitable but does not guarantee the absence of all restrictions. You must still pay attention to supplementary signage for height, weight or width restrictions.
Can a route be made mandatory for certain vehicles?
Yes, municipal traffic regulations or temporary traffic arrangements can specify that a certain route must be used by certain vehicle groups; such provisions are often indicated with supplementary plates or in local regulations.
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