"To Traffic on Shoulder (Plaque), MUTCD" (Part#: SKR3-57P)
Provide essential guidance during active shoulder use periods with this regulatory R3-57P plaque. Featuring the clear, bold message "TO TRAFFIC ON SHOULDER," this supplemental sign is designed to be mounted below movement-related regulatory signs (such as turn or exit instructions). It clarifies that the accompanying traffic command applies specifically to vehicles currently traveling in the shoulder lane. This high-visibility marker is a vital component of Part-Time Shoulder Use (PTSU) systems, ensuring safety and reducing motorist confusion during peak travel times.
• Pro Standard: Heavy-duty, rust-free .080" aluminum.
• 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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