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  3. Horizontal Alignment Sign - W1-10L

Horizontal Alignment Sign - W1-10L

Horizontal Alignment Sign - W1-10L
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

Horizontal Alignment Sign - W1-10L

Horizontal alignment signs are critical safety features that provide essential directional guidance for motorists navigating complex roadways. The W1-10L sign specifically alerts drivers to upcoming horizontal alignment changes, helping them anticipate potential road curvature and adjust their driving accordingly. Constructed on standard aluminum blanks with high-intensity reflective materials, these signs deliver superior visibility in diverse lighting conditions. Fully compliant with DOT and MUTCD state and federal standards, the signs meet rigorous regulatory requirements for traffic signage. The reflective surface ensures clear communication to drivers, even during low-light periods or adverse weather conditions. These signs play a crucial role in reducing accident risks by offering clear, immediate visual communication about upcoming road geometry. By providing advance warning of road alignment shifts, the W1-10L sign helps drivers make informed decisions and navigate roadways more safely and confidently.

Spec • 2026
MUTCD Compliant

Sign Specifications

MUTCD Code

W1-10L

Sign Type

Warning Sign

Shape

Diamond

Standard warning sign shape

Colors

ABC

Yellow background

Black legend

Compliance

MUTCD Compliant: This horizontal alignment warning sign meets federal standards per MUTCD Section 2C.06. Used to alert drivers of changes in roadway alignment.

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 on the right side of the roadway in advance of the curve or turn. Placement distance depends on posted speed: 100ft (25 mph), 175ft (35 mph), 250ft (45 mph), 350ft (55 mph). May be supplemented with Advisory Speed Plaque (W13-1P) showing recommended speed.

MUTCD Reference: Section 2C.06

Reference: MUTCD Section 2C.06

Often Paired With

Signs commonly installed together per MUTCD guidelines

Speed Advisory Warning Sign - W13-1

W13-1

Speed Advisory Warning Sign

Chevron Left Sign - W1-8L

W1-8L

Chevron Left Sign

Chevron Right Sign - W1-8R

W1-8R

Chevron Right Sign

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