End Blasting Zone Sign - W22-3-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
End Blasting Zone Sign - W22-3-O
Construction and mining sites require clear communication about potential hazards, and this End Blasting Zone Sign provides critical safety guidance. Manufactured on standard aluminum blanks with high-visibility reflective coating, the sign ensures maximum readability during both daytime and nighttime conditions. Compliant with Department of Transportation (DOT) and Manual on Uniform Traffic Control Devices (MUTCD) standards, this W22-3-O sign meets all regulatory requirements for marking the conclusion of blasting areas. The professional-grade signage helps protect workers and site visitors by clearly delineating zones where explosive work has been or may be conducted.
Sign Specifications
MUTCD Code
W22-3-O
Sign Type
Construction Sign
Shape
Diamond
Standard warning sign shape
Colors
Orange background
Black legend
Compliance
MUTCD Compliant: This horizontal alignment warning sign meets federal standards per MUTCD Section 2C.06. Used to alert drivers of changes in roadway alignment.
| 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 on the right side of the roadway in advance of the curve or turn. Placement distance depends on posted speed: 100ft (25 mph), 175ft (35 mph), 250ft (45 mph), 350ft (55 mph). May be supplemented with Advisory Speed Plaque (W13-1P) showing recommended speed.
MUTCD Reference: Section 2C