No Merge Area Sign - W4-5P
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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
No Merge Area Sign - W4-5P
Our No Merge Area Sign (W4-5P) is engineered to enhance road safety through precise communication of traffic regulations. Constructed from high-quality reflective aluminum standard punched blanks, the sign provides exceptional visibility even in low-light conditions, ensuring drivers and pedestrians can clearly understand traffic instructions. Designed to meet DOT and MUTCD state and federal standards, this sign is a reliable solution for preventing potential merging accidents. The durable aluminum material offers superior resistance to rust and corrosion, making it an ideal long-term installation for various outdoor environments. Its standard size and punched blank configuration facilitate straightforward mounting in critical traffic areas.
Sign Specifications
MUTCD Code
W4-5P
Sign Type
Warning Sign
Shape
Diamond
Standard warning sign shape
Colors
Yellow background
Black legend
Compliance
MUTCD Compliant: This merge/lane transition warning sign meets federal standards per MUTCD Section 2C.38. Used to warn of lane changes ahead.
| 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 merge point or lane transition. Placement distance per MUTCD Table 2C-4.
MUTCD Reference: Section 2C.38
Often Paired With
Signs commonly installed together per MUTCD guidelines
