Horizontal Alignment Sign - W1-10L
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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
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.
Sign Specifications
MUTCD Code
W1-10L
Sign Type
Warning Sign
Shape
Diamond
Standard warning sign shape
Colors
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.
| 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 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