"Signal Ahead," MUTCD Warning Plaque (Part#: SKW10-21aP)
Supplement busway crossing or light rail transit warning signs to alert motorists and pedestrians that an upcoming busway intersection or grade crossing is controlled by traffic signals with this official MUTCD-compliant W10-21aP warning 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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