
Warning signs
Low clearance 12 ft 6 in
What it means
The arrows above and below the posted height show the lowest clearance under a bridge, overpass or similar structure ahead. If you drive a tall vehicle like a truck, bus or RV, compare that figure with your vehicle's height before going on.
The test question
01This yellow diamond sign is warning you about:
- AA curve where trucks may roll over
- BA steep downgrade ahead
- CLimited overhead clearance ahead Correct
The arrows above and below the posted height show the lowest clearance under a bridge, overpass or similar structure ahead. If you drive a tall vehicle like a truck, bus or RV, compare that figure with your vehicle's height before going on.
Practice on your phone.
Practice here in your browser, or use the app with the same questions and explanations. It's free on the App Store.