Warning Road Sign (W13-5)
Curve Speed Plaque Sign Meaning & Driving Rules
Combines a graphic curve symbol with the recommended advisory speed in a single sign assembly.
Required Driver Action & Right-of-Way Protocol
Reduce your speed to the indicated limit before the curve begins.
Detailed Overview & Purpose
The Curve Speed sign (W13-5) provides a combined visual representation of the curve direction along with the engineering-calculated advisory speed.
Key Standard & Origin: Combines the functionality of W1-2 (Curve) and W13-1P (Advisory Speed) into a single compact panel.
Where You'll Find This Sign
Posted before rural highway curves and expressway connectors.
Common Driver Mistakes to Avoid
Entering the curve above the recommended speed in wet weather.
How This Sign Appears on the DMV Knowledge & Road Test
Tests understanding of combined curve and advisory speed warnings.
Legal Penalties and Moving Violations
Failure to control speed in curve zones carries traffic fines.
When you encounter the official Curve Speed Plaque (W13-5) on a roadway, what is your legal duty?
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