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  3. Workers Ahead Roll-Up Construction Signs - W21-1-RU

Workers Ahead Roll-Up Construction Signs - W21-1-RU

Workers Ahead Roll-Up Construction Signs - W21-1-RU
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Product Details

Workers Ahead Roll-Up Construction Signs - W21-1-RU

Construction workers require reliable and versatile signage to ensure safety and compliance on job sites. These roll-up "Workers Ahead" signs meet MUTCD and NCHRP-350 certification standards, making them ideal for transportation departments, utility companies, road contractors, municipal governments, and landscaping crews. Available in standard sizes of 36 x 36 and 48 x 48 inches, these signs come in multiple material options including Standard Mesh, Premium Mesh, Non-Reflective Vinyl, Orafol Super Bright, 3M High Intensity, and Orafol Marathon. Each sign features polycarbonate corner pockets, an anti-kiting strap, a patented Quick Release Auto Latch, and a heavy-duty rib kit with a storage strap. Custom legends, logos, sizes, and colors can be accommodated upon request. Shipping typically requires 20-25 business days following design approval, ensuring each sign is precisely tailored to the customer's specific safety and regulatory requirements.

Spec • 2026
MUTCD Compliant

Sign Specifications

MUTCD Code

W21-1-RU

Sign Type

Construction Sign

Shape

Diamond

Standard warning sign shape

Colors

ABC

Orange background

Black legend

Compliance

MUTCD Compliant: This work zone warning sign meets federal standards per MUTCD Section 6F.16. Orange background indicates temporary traffic control.

SizeDimensionsApplication
ConventionalDefault36×36"Low-speed work zones
Freeway48×48"High-speed work zones
Compliance & Certifications

MUTCD Compliant

Federal standards

DOT Approved

State & Federal

ASTM D4956

Type III/IV/XI

10+ Years

Durability

Engineer Grade (EG)

Type: ASTM Type I

Lifespan: 5-7 years

Brightness: ~50 cd/lux/m²

Parking lots, low-speed areas, non-critical signage

Recommended

High Intensity Prismatic (HIP)

Type: ASTM Type III/IV

Lifespan: 10 years

Brightness: ~360 cd/lux/m²

Traffic signs, work zones, roadways

Diamond Grade (DG3)

Type: ASTM Type XI

Lifespan: 10-12 years

Brightness: ~580 cd/lux/m²

Critical signs, freeways, overhead signs

Install in advance of work zone per MUTCD Chapter 6F. Orange background for temporary conditions. Remove or cover when work not in progress.

MUTCD Reference: Section 6F.16

Reference: MUTCD Section 6F.16

Often Paired With

Signs commonly installed together per MUTCD guidelines

Road Work Ahead Roll-Up Construction Signs - W20-1-RU

W20-1-RU

Road Work Ahead Roll-Up Construction Signs

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