Level 3 · Warning signs
What does the low clearance sign mean?
Low clearance
A bridge or overpass ahead is only as tall as the height shown. Know your vehicle's height, including anything on the roof or a trailer.
Why it looks like this
Tall trucks, campers and roof cargo can hit a low structure. The sign gives you time to find another route.
How to respond
- Know your vehicle's height, including anything on the roof or a trailer.
- If you are as tall or taller than the number, do not go under it.
Common mistakeForgetting about a roof box or bikes on top of the car.
Quick drill
Practice this sign
Three questions. Your stars are saved on this device.