Height limitWorldwide
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50. Height limit
A height limit prohibits vehicles whose total height exceeds the value shown from entering or passing a road section, bridge, tunnel, gateway or other structure. The vehicle’s height includes its load and any equipment attached above it.
Drivers of high vehicles must know their exact height, observe advance warnings and use an alternative route when necessary. They should never rely only on visual judgement or attempt to pass beneath a structure when safe clearance is uncertain.
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What does a height-limit sign mean?
It prohibits vehicles whose total height exceeds the displayed value from continuing beyond the sign.
Vehicles higher than indicated prohibited.
How can you recognise a height-limit sign?
It is commonly a circular regulatory sign showing a height in metres, feet or another local unit between vertical arrows.
Does the limit apply to trailers?
Yes. Every part of a vehicle combination must fit beneath the restriction, including the towing vehicle, trailer and load.
Does the sign change priority?
No. Traffic lights, priority signs and ordinary priority rules remain applicable.
What should you do when your vehicle is too high?
Do not continue. Stop where safe and follow the signed diversion or another suitable route. Do not reverse into traffic without assistance.

Traffic rules
Worldwide