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  1. Home
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  3. Divided Highway Sign - W6-1A
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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

Divided Highway Sign - W6-1A

Divided highways require clear communication to ensure driver safety, and this W6-1A sign provides essential guidance for motorists. High-reflectivity materials make the sign highly visible during both day and night, alerting drivers to changes in road configuration well in advance of the transition. Constructed from aluminum with standard punched blanks, the sign meets all DOT and MUTCD federal and state standards for highway signage. Available in High Intensity and Diamond Grade materials, this sign delivers critical information to help drivers navigate divided highway segments safely and confidently.

Spec • 2026
MUTCD Compliant

Sign Specifications

MUTCD Code

W6-1A

Sign Type

Warning Sign

Shape

Diamond

Standard warning sign shape

Colors

ABC

Yellow background

Black legend

Compliance

MUTCD Compliant: This divided highway warning sign meets federal standards per MUTCD Section 2C.40. Used to warn of divided highway conditions.

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 divided highway beginning or ending. Placement distance per MUTCD Table 2C-4.

MUTCD Reference: Section 2C.40

Reference: MUTCD Section 2C.40

Often Paired With

Signs commonly installed together per MUTCD guidelines

Keep Right (symbol) Sign - R4-7

R4-7

Keep Right (symbol) Sign

Divided Highway Ends (symbol) Sign - W6-2

W6-2

Divided Highway Ends (symbol) Sign

View All Warning Signs

Divided Highway Sign - W6-1A

Divided Highway Sign - W6-1A
Min: 1 • Max: 1000
Unit Price:$0.00
Quantity:× 1
Total:$0.00

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