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
HOV Lane Ends Ahead Sign - R3-12b
This R3-12b traffic sign alerts drivers to the upcoming end of a High Occupancy Vehicle (HOV) lane, providing critical guidance for safe lane merging and traffic management. Designed to meet federal Department of Transportation (DOT) and Manual on Uniform Traffic Control Devices (MUTCD) standards, the sign helps reduce potential congestion and lane-change related accidents. Constructed on durable aluminum blanks with high-visibility reflective options, including high intensity and diamond grade finishes, this sign ensures maximum readability under various lighting and weather conditions. The standardized design and official R3-12b designation make it a reliable traffic control solution for highways, freeways, and multi-lane roadways.
Sign Specifications
MUTCD Code
R3-12B
Sign Type
Regulatory Sign
Shape
Rectangle (Vertical)
Standard regulatory sign shape
Colors
White background
Black legend
Compliance
MUTCD Compliant: This turn/lane control sign meets federal standards per MUTCD Section 2B.18. Used to prohibit or require specific turning movements.
| Size | Dimensions | Application |
|---|---|---|
| Small | 24×24" | Low-volume roads, tight spaces |
| StandardDefault | 30×30" | Conventional roads |
| Large | 36×36" | Multi-lane roads, higher speeds |
| Oversized | 48×48" | Freeways, expressways |
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 or near the intersection where the turning restriction applies. Should be visible to drivers making the approach. May be supplemented with pavement markings.
MUTCD Reference: Section 2B.18
Often Paired With
Signs commonly installed together per MUTCD guidelines
