Bone Safety Utility Work Ahead Roll-Up Sign – MUTCD W21-7, 48"x48" (RE4848UWAOC)
The Bone Safety Utility Work Ahead Roll-Up Sign (RE4848UWAOC) is a 48"x48" MUTCD W21-7 compliant roll-up sign designed for use during utility operations on or adjacent to a highway. NCHRP-350 certified, it meets federal standards for temporary traffic control devices and provides clear advance warning to motorists approaching utility work zones.
Key Features
- MUTCD W21-7 compliant — meets Manual on Uniform Traffic Control Devices requirements for utility work ahead signage
- NCHRP-350 certified — meets National Cooperative Highway Research Program crash test standards for temporary traffic control devices
- 48"x48" size — standard diamond sign size for highway and roadway work zone applications
- Roll-up design — flexible and portable for easy transport, setup, and storage in the field
- For utility operations on or adjacent to highways — purpose-built for utility crew work zone setups
Specifications
| Part No. | Size | MUTCD Code | Compliance | Weight | Application |
|---|---|---|---|---|---|
| RE4848UWAOC | 48" x 48" | W21-7 | NCHRP-350 | 8 lb | Utility work zones on or adjacent to highways |
Quick Decision Guide
- Need MUTCD-compliant utility work ahead signage? — Yes, this sign meets MUTCD W21-7 requirements
- Required to meet NCHRP-350 crash standards? — Yes, this sign is NCHRP-350 certified
- Working on or adjacent to a highway? — This sign is specifically designed for that application
- Need a portable, easy-to-store sign? — The roll-up design folds compactly for transport and field storage
- Need a different size or sign type? — Browse our full Traffic Signs & Cones collection
Frequently Asked Questions
What does MUTCD W21-7 mean?
MUTCD W21-7 is the Manual on Uniform Traffic Control Devices designation for the "Utility Work Ahead" warning sign. It is required for utility operations conducted on or adjacent to public roadways.
What is NCHRP-350 certification?
NCHRP-350 is a National Cooperative Highway Research Program standard that certifies temporary traffic control devices have passed crash testing requirements for use in highway work zones.
What size is this sign?
This sign is 48" x 48" (4 feet x 4 feet), the standard diamond size for highway work zone warning signs.
Is this sign suitable for use on highways?
Yes — it is specifically designed for utility operations on or adjacent to a highway and meets all applicable MUTCD and NCHRP-350 requirements.
How does a roll-up sign differ from a rigid sign?
Roll-up signs are made from flexible material that can be rolled or folded for compact transport and storage. They are ideal for utility crews who need portable, easy-to-deploy signage across multiple job sites.