Warning Road Sign (W16-6P)
Supplemental Directional Arrow Plaque Sign Meaning & Driving Rules
Indicates that the hazard or condition described on the main sign is located along the roadway in the direction of the arrow.
Required Driver Action & Right-of-Way Protocol
If turning in the direction of the arrow, heed the warning on the primary sign.
Detailed Overview & Purpose
The Supplemental Directional Arrow plaque (W16-6P) points toward a turn or branch where the warning applies. It clarifies which path contains the curve, bump, or low clearance.
Key Standard & Origin: Prevents drivers on through-lanes from unnecessarily slowing down when the hazard only affects the turning lane.
Where You'll Find This Sign
Mounted beneath warning signs at junctions and off-ramps.
Common Driver Mistakes to Avoid
Applying the warning to the wrong travel lane.
How This Sign Appears on the DMV Knowledge & Road Test
Tests understanding of supplemental directional plaques.
Legal Penalties and Moving Violations
Failure to follow directional warnings resulting in an accident carries moving violation points.
When you encounter the official Supplemental Directional Arrow Plaque (W16-6P) on a roadway, what is your legal duty?
Prepare for Your State Permit Exam
Take full 2026 practice tests covering mandatory road signs, traffic laws, and state-specific driving rules.




