4-WAY Supplemental Plaque – Standard Stop Sign Accessory

Improve clarity and safety at multi-directional intersections with this high-visibility 4-WAY plaque — a durable, MUTCD-compliant accessory designed to mount beneath a standard STOP sign and clearly designate a four-way stop.

Key Features

• Durable .080″ aluminum substrate – Engineered for long-term outdoor performance, offering rust resistance and structural strength.
• Reflective sheeting  – High-Intensity Prismatic (HIP) materials for maximum visibility day or night.
• Pre-punched 3/8″ mounting holes – Includes smooth radius corners to ensure safe, easy, and professional-looking installation beneath a STOP sign.
• MUTCD-compliant design – Meets all federal requirements for supplemental plaques used at controlled four-way stop intersections.

Why Choose the 4-WAY Plaque?

Clear communication at four-way intersections is essential for reducing confusion and improving driver compliance. Mounted directly under a STOP sign, this 4-WAY plaque gives motorists an unmistakable message that all directions must stop, helping to improve intersection safety and consistency.

Ideal for municipalities, contractors, property managers, and campus roadway teams, this plaque provides a rugged, long-lasting solution that maintains its visibility and performance even in harsh outdoor conditions.

Ideal Applications

• Four-way stop intersections
• Commercial parking areas and private roadways
• Gated communities, schools, and campus environments
• Replacement of worn, faded, or non-compliant 4-WAY plaques

Product Specifications

• Message: 4 WAY
• Material: .080″ aluminum
• Reflectivity: EGP or HIP reflective sheeting
• Mounting: Pre-punched 3/8″ holes with radius corners
• Compliance: Meets MUTCD guidelines for supplemental STOP sign plaques

Installation Notes

This plaque installs directly beneath a STOP sign using standard sign mounting hardware. For best results, follow all applicable MUTCD or local regulations regarding height and placement to ensure optimal visibility and compliance.

Your Complete Source for Traffic Control Products

TrafficSafetyStore.com offers a full range of STOP signs, mounting hardware, and supplemental plaques to help you create safer, more effective traffic control systems. Order this 4-WAY plaque today for a durable, professional, and compliant solution.