Pro-safe 07-800-4136-L Signal Work Ahead Triangle Sign

Product Description

The PRO-SAFE 07-800-4136-L is a triangular traffic control sign used to alert motorists to signal work ahead in active work zones. Constructed from vinyl with an uncoated, non-reflective finish, this sign measures 48 inches in height and 48 inches in width. It features single-sided printed messaging with a black and orange color scheme for high daytime visibility. The quick-deploy design mounts to a standard sign stand, making setup and breakdown fast for road crews and traffic control technicians. It meets MUTCD standards and carries NCHRP 350 certification, satisfying common compliance requirements for temporary traffic control applications.

This sign is intended for use in temporary traffic control zones where signal-related work is being performed. It is appropriate for both municipal and contractor work zone setups along roadways where advance warning of signal activity is required. The sign stand mount design suits standard portable sign stand hardware commonly used in highway and street maintenance operations. At 48 inches tall, it meets typical size requirements for advance warning signs in work zones governed by MUTCD guidelines. Installation is handled by traffic control technicians, flaggers, or road crew supervisors following approved traffic control plans.

Key Features

• MUTCD compliant and NCHRP 350 certified for work zone use
• Quick-deploy design speeds up setup and tear-down on active job sites
• Vinyl construction with uncoated, non-reflective finish for daytime applications
• Single-sided print with black and orange message-only graphic
• Sign stand mount compatible with standard portable sign stand hardware
• Triangular shape for recognized advance warning sign identification

Compatibility

Designed for use with standard portable sign stands that accept flat-panel sign mounting. Compatible with work zone setups requiring MUTCD-compliant advance warning signage.

Installation Notes

This sign is installed by qualified traffic control personnel following an approved temporary traffic control plan. Secure the sign to a compatible sign stand before positioning in the work zone according to the applicable traffic control plan and MUTCD placement requirements. Inspect the sign and stand connection before each deployment to confirm secure attachment. Do not use this non-reflective sign as a substitute for reflective or illuminated signage in low-light or nighttime conditions without supplemental lighting.