Lane Ends Left Merge Right Sign - W4-2L-O
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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
Lane Ends Left Merge Right Sign - W4-2L-O
This aluminum traffic sign provides critical guidance for drivers navigating lane transition zones. Designed to meet DOT and MUTCD standards, the W4-2L-O sign clearly communicates when a left lane ends and vehicles must merge right, helping prevent potential traffic conflicts and accidents. The sign features high-visibility reflective materials on standard aluminum blanks, ensuring drivers can quickly comprehend the lane merger instruction in both daytime and nighttime conditions. Its diamond grade reflectivity and precise standardized design enhance road safety by offering clear, immediate directional information to motorists.
Sign Specifications
MUTCD Code
W4-2L-O
Sign Type
Warning Sign
Shape
Diamond
Standard warning sign shape
Colors
Yellow background
Black legend
Compliance
MUTCD Compliant: This merge/lane transition warning sign meets federal standards per MUTCD Section 2C.38. Used to warn of lane changes ahead.
| Size | Dimensions | Application |
|---|---|---|
| Conventional RoadDefault | 30×30" | Two-lane roads, residential areas |
| Multi-Lane | 36×36" | Multi-lane roads, higher speed limits |
| Expressway | 48×48" | Expressways, freeways, high-speed 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 in advance of merge point or lane transition. Placement distance per MUTCD Table 2C-4.
MUTCD Reference: Section 2C.38
Often Paired With
Signs commonly installed together per MUTCD guidelines
