Low clearance 12 ft 6 in: This yellow diamond sign is warning you about:
Correct answer: Limited overhead clearance ahead.
Answer options
AA curve where trucks may roll over
BA steep downgrade ahead
CLimited overhead clearance ahead Correct
Why
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.