Traffic Circle (plaque) Sign - W16-12P
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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
Sign Specifications
MUTCD Code
W16-12P
Sign Type
Warning Plaque
Shape
Rectangle (Horizontal)
Guide and information signs
Colors
Yellow background
Black legend
Compliance
MUTCD Compliant: This supplemental warning plaque meets federal standards per MUTCD Section 2C.59. Used to supplement primary warning signs.
| Size | Dimensions | Application |
|---|---|---|
| StandardDefault | 24x18" | Conventional 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
Mount directly below or adjacent to primary warning sign. Provides supplemental information for specific conditions.
MUTCD Reference: Section 2C.59
Often Paired With
Signs commonly installed together per MUTCD guidelines
