Stay In Line Sign - R4-9
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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
Stay In Line Sign - R4-9
Designed to maintain order and enhance safety on roadways and parking lots, this Stay In Line Sign provides critical guidance for drivers. The sign's clear messaging helps direct traffic flow and reduce potential accident risks by keeping vehicles in their designated lanes. Constructed from reflective aluminum with high-visibility materials, the sign meets all DOT and MUTCD state and federal standards. Its R4-9 designation ensures compliance and maximum effectiveness in various traffic management scenarios. The durable, standard punched blank design guarantees long-lasting performance in diverse environmental conditions.
Sign Specifications
MUTCD Code
R4-9
Sign Type
Regulatory Sign
Shape
Rectangle (Vertical)
Standard regulatory sign shape
Colors
White background
Black legend
Compliance
MUTCD Compliant: Movement regulation sign per MUTCD Section 2B.27.
| Size | Dimensions | Application |
|---|---|---|
| StandardDefault | 18x24" | Conventional |
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 where the regulation applies.
MUTCD Reference: Section 2B.27