"When Flashing Plaque" (Part#: SKS4-4P)
Clearly define activated school zone speed limits and traffic restrictions with this MUTCD-compliant "When Flashing" regulatory plaque (S4-4P). Featuring bold black text on a clean white background, this heavy-duty supplementary panel mounts directly below primary warning signs or speed beacons to enforce driver compliance when the warning lights are active.
• Material: Heavy-duty, rust-free aluminum (.080" thickness).
• Durability: 7-10 year outdoor lifespan with UV-resistant ink and coating.
• Visibility: Choose from Non-Reflective or 3M™ Reflective grades.
• Mounting: Ready to install with pre-drilled holes (Posts/hardware sold separately).
• Upgrade: Add King Shield Laminate for ultimate protection against graffiti and fading. (Laminate is generally unnecessary for indoor or hard-to-reach signs.)
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