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Official United States Supplemental Directional Arrow Plaque Road Sign

Federal MUTCD Specifications

Standard Code
W16-6P
Sign Category
Warning
Shape
Horizontal Rectangle
Color Scheme
Yellow with Horizontal Arrow

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.

DMV Knowledge Check

When you encounter the official Supplemental Directional Arrow Plaque (W16-6P) on a roadway, what is your legal duty?

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