What does this sign warn you about?
- A steep downhill grade ahead
- A falling rock area ahead
- A truck weigh station ahead
Show the answer
A steep downhill grade ahead
Check your speed before the hill. Trucks and other vehicles may be going slowly.
Source: Manual on Uniform Traffic Control Devices, 11th Edition, Section 2C.14; Arizona Driver License Manual and Customer Service Guide, Section 3, Roadway and Vehicle Knowledge: Diamond, warning signs (p. 42)