"WHEN FLASHING," MUTCD Warning Plaque (Part#: SKW16-13P)
Provide supplemental warning to drivers indicating that a primary warning sign, regulation, or condition is active when accompanying beacons or warning lights are illuminated with this official MUTCD-compliant W16-13P plaque.
• Pro Standard: Heavy-duty, rust-free .080" aluminum engineered specifically to meet DOT and MUTCD standards for roadways, expressways, and high-wind environments.
• Visibility: Genuine 3M™ Reflective options (10+ year outdoor life).
• Mounting: Pre-drilled holes for easy installation (Posts/hardware sold separately).
• King Shield: Optional laminate protects against graffiti and fading.
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