Wrong Way Sign - R5-1a
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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
Wrong Way Sign - R5-1a
These Wrong Way Signs are critical safety tools designed to prevent potentially dangerous driving errors. Constructed from durable aluminum with standard reflective blanks, the signs meet all DOT and MUTCD state and federal regulatory standards for high-visibility traffic guidance. Engineered to withstand varied weather conditions, these R5-1a signs feature pre-punched mounting holes for straightforward installation across multiple surfaces. The reflective materials ensure maximum visibility during both daytime and nighttime conditions, effectively alerting drivers when they are traveling in an incorrect direction and helping reduce the risk of head-on collisions.
Sign Specifications
MUTCD Code
R5-1A
Sign Type
Regulatory Sign
Shape
Rectangle (Vertical)
Standard regulatory sign shape
Colors
White background
Black legend
Compliance
MUTCD Compliant: Exclusionary sign per MUTCD Section 2B.34.
| Size | Dimensions | Application |
|---|---|---|
| StandardDefault | 36x24" | Conventional roads |
| Multi-Lane | 42x30" | Multi-lane roads, freeways |
| Minimum | 30x18" | Low-volume 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 entrance to one-way roadway facing wrong-way traffic.
MUTCD Reference: Section 2B.34