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  1. Home
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  3. No Merge Area Sign - W4-5P

No Merge Area Sign - W4-5P

No Merge Area Sign - W4-5P
Min: 1 • Max: 1000
Unit Price:$0.00
Quantity:× 1
Total:$0.00

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Choose Your Reflectivity Grade

Compare visibility, durability, and ideal applications

Type I

Engineering Grade

Ideal Use

Parking lots

Brightness

Standard

General Lifespan

7 years

Night-time Visibility

500 feet away

Type IV

High Intensity Prismatic

Ideal Use

Roadways

Brightness

High

General Lifespan

10 years

Night-time Visibility

1000 feet away

Type IX

Diamond Grade

Ideal Use

High-speed roadways

Brightness

Maximum

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.

Spec • 2026
MUTCD Compliant

Sign Specifications

MUTCD Code

W4-5P

Sign Type

Warning Sign

Shape

Diamond

Standard warning sign shape

Colors

ABC

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.

SizeDimensionsApplication
Conventional RoadDefault30×30"Two-lane roads, residential areas
Multi-Lane36×36"Multi-lane roads, higher speed limits
Expressway48×48"Expressways, freeways, high-speed roads
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 merge point or lane transition. Placement distance per MUTCD Table 2C-4.

MUTCD Reference: Section 2C.38

Reference: MUTCD Section 2C.38

Often Paired With

Signs commonly installed together per MUTCD guidelines

Yield Sign - R1-2

R1-2

Yield Sign

View All Warning Signs