3-WAY Supplemental Plaque – Standard Stop Sign Accessory

Ensure clear traffic control at three-direction intersections with this high-visibility 3-WAY plaque — a durable, MUTCD-compliant accessory designed to mount beneath a standard STOP sign and clearly communicate a three-way stop.

Key Features

• Durable .080″ aluminum substrate – Built for lasting outdoor performance, resisting rust and weathering.
• Reflective sheeting – High-intensity prismatic sheeting for excellent visibility both day and night.
• Pre-punched 3/8″ mounting holes – Includes radius corners for safe, clean installation beneath a STOP sign.
• MUTCD-compliant design – Meets federal specifications for supplemental plaques used under STOP signs at three-way intersections.

Why Choose the 3-WAY Plaque?

When traffic approaches an intersection with three directions, clarity matters. This 3-WAY plaque gives drivers an unmistakable message that three approaches must stop, reducing confusion and enhancing intersection safety. Mounted directly beneath a STOP sign, it’s an effective tool for communication and compliance.

Whether used by municipalities, traffic contractors, private communities, or campus roadways, this plaque is designed to hold up under demanding conditions while maintaining optimal readability and visibility.

Ideal Applications

• Three-way stop intersections
• Commercial parking lots, gated communities, private roads
• Schools, campuses, and institutional traffic zones
• Replacement of outdated or non-compliant supplemental plaques

Product Specifications

• Message: 3 WAY
• Material: .080″ aluminum blank
• Reflectivity: High-Intensity Prismatic (HIP)
• Mounting: Pre-punched 3/8″ holes, smooth radius corners
• Compliance: Meets MUTCD guidelines for supplemental plaques used with STOP signs

Installation Notes

Install this 3-WAY plaque directly beneath your existing STOP sign using standard hardware. Be sure to follow all applicable MUTCD or local regulations for height and placement to ensure optimal visibility. A properly placed plaque communicates clearly and contributes to safer intersections.

Your Source for Professional Traffic Control Signage

TrafficSafetyStore.com offers this 3-WAY supplemental plaque alongside a full lineup of STOP signs, mounting hardware, and accessories — all designed to help you implement compliant, effective traffic control solutions. Order today for long-lasting, high-visibility results.