Type 1 Object Markers | OM1-3 - OM1-3
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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
Type 1 Object Markers | OM1-3 - OM1-3
These Type 1 Object Markers are designed to alert drivers to potential roadway obstructions, enhancing safety and visibility for motorists. Constructed from high-quality .080 aluminum, the markers feature standard 3/8" mounting holes and radius corners for reliable installation and durability. Compliant with both DOT and MUTCD state and federal guidelines, these OM1-3 markers are available in High Intensity and Diamond Grade reflective options. The superior reflective surfaces ensure clear visibility during both daytime and nighttime conditions, providing critical warning signals to help prevent accidents and guide traffic safely around potential hazards.
Sign Specifications
MUTCD Code
OM1-3
Sign Type
Object Marker
Shape
Rectangle (Vertical)
Standard regulatory sign shape
Colors
Yellow background
Black legend
Compliance
MUTCD Compliant: Type 1 Object Marker per Section 2C.63. Marks obstructions within the roadway.
| Size | Dimensions | Application |
|---|---|---|
| StandardDefault | 18x18" | Roadway obstructions |
| Large | 24x24" | High-speed roads |
MUTCD Compliant
Federal standards
DOT Approved
State & Federal
ASTM D4956
Type III/IV/XI
10+ Years
Durability
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 obstructions in the roadway that cannot be removed. Yellow with black diagonal stripes.
MUTCD Reference: Section 2C.63