Road Narrows Symbol Sign - W5-2a
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Choose Your Reflectivity Grade
Compare visibility, durability, and ideal applications
Engineering Grade
Ideal Use
Parking lots
Brightness
General Lifespan
7 years
Night-time Visibility
500 feet away
High Intensity Prismatic
Ideal Use
Roadways
Brightness
General Lifespan
10 years
Night-time Visibility
1000 feet away
Diamond Grade
Ideal Use
High-speed roadways
Brightness
General Lifespan
10+ years
Night-time Visibility
1500 feet away
Product Details
Road Narrows Symbol Sign - W5-2a
Road hazards demand clear communication, and this W5-2a Road Narrows Symbol Sign delivers precisely that critical message to motorists. Constructed from durable aluminum with high-quality reflective materials, the sign ensures maximum visibility during day and night driving conditions. Engineered to meet DOT and MUTCD standards, this sign features standard punched blanks available in high intensity and diamond grade reflective options. The W5-2a symbol provides an immediate, universally recognized warning to drivers about an upcoming reduction in roadway width, helping to prevent potential accidents and maintain smooth traffic flow.
Sign Specifications
MUTCD Code
W5-2A
Sign Type
Warning Sign
Shape
Diamond
Standard warning sign shape
Colors
Yellow background
Black legend
Compliance
MUTCD Compliant: This road width warning sign meets federal standards per MUTCD Section 2C.23. Used to warn of narrow roads or bridges.
| Size | Dimensions | Application |
|---|---|---|
| Conventional RoadDefault | 30×30" | Two-lane roads, residential areas |
| Multi-Lane | 36×36" | Multi-lane roads, higher speed limits |
| Expressway | 48×48" | Expressways, freeways, high-speed roads |
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
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 narrow roadway section. Placement distance based on approach speed.
MUTCD Reference: Section 2C.23
Often Paired With
Signs commonly installed together per MUTCD guidelines
