Hill Sign - W7-1a
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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
Hill Sign - W7-1a
Drivers navigating challenging roadways require clear and precise warning indicators, making the W7-1a Hill Sign a critical safety component. Constructed on standard aluminum blanks with high-visibility reflective materials, these signs effectively communicate potential terrain challenges to motorists in varying light conditions. Engineered to meet both DOT and MUTCD federal and state standards, this sign provides essential guidance for vehicles approaching significant inclines. By alerting drivers to upcoming terrain changes, the W7-1a helps prevent potential accidents and promotes safer transportation infrastructure through accurate, professional-grade signage.
Sign Specifications
MUTCD Code
W7-1A
Sign Type
Warning Sign
Shape
Diamond
Standard warning sign shape
Colors
Yellow background
Black legend
Compliance
MUTCD Compliant: This hill warning sign meets federal standards per MUTCD Section 2C.26. Used to warn of steep grades ahead.
| Size | Dimensions | Application |
|---|---|---|
| Minimum | 24x24" | Low-volume roads |
| StandardDefault | 30x30" | Conventional roads |
| Expressway | 36x36" | Expressways and freeways |
| Oversized | 48x48" | 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 at top of grade for downhill warning, or in advance for uphill notification. Required when grade exceeds: 5% for 3000ft, 6% for 2000ft, 7% for 1000ft, 8% for 750ft, 9% for 500ft.
MUTCD Reference: Section 2C.26