4 Way Stop Sign - R1-3
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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
4 Way Stop Sign - R1-3
Keep drivers safe and organized at intersections with our R1-3 4 Way Stop Sign. The reflective surface ensures visibility even in low light conditions, helping drivers understand right of way and reducing collision risk. Made from durable aluminum with the classic octagonal shape and bold red color. Meets DOT and MUTCD state and federal standards for regulatory compliance.
Sign Specifications
MUTCD Code
R1-3
Sign Type
Regulatory Sign
Shape
Rectangle (Vertical)
Standard regulatory sign shape
Colors
White background
Black legend
| Size | Dimensions | Application |
|---|---|---|
| StandardDefault | 30×30" | Conventional roads |
| Multi-Lane | 36×36" | Multi-lane 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