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  4. Type 1 Object Markers | OM1-3 - OM1-3

Type 1 Object Markers | OM1-3 - OM1-3

Type 1 Object Markers | OM1-3  - OM1-3
Min: 1 • Max: 1000
Unit Price:$0.00
Quantity:× 1
Total:$0.00

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Choose Your Reflectivity Grade

Compare visibility, durability, and ideal applications

Type I

Engineering Grade

Ideal Use

Parking lots

Brightness

Standard

General Lifespan

7 years

Night-time Visibility

500 feet away

Type IV

High Intensity Prismatic

Ideal Use

Roadways

Brightness

High

General Lifespan

10 years

Night-time Visibility

1000 feet away

Type IX

Diamond Grade

Ideal Use

High-speed roadways

Brightness

Maximum

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.

Spec • 2026
MUTCD Compliant

Sign Specifications

MUTCD Code

OM1-3

Sign Type

Object Marker

Shape

Rectangle (Vertical)

Standard regulatory sign shape

Colors

ABC

Yellow background

Black legend

Compliance

MUTCD Compliant: Type 1 Object Marker per Section 2C.63. Marks obstructions within the roadway.

SizeDimensionsApplication
StandardDefault18x18"Roadway obstructions
Large24x24"High-speed roads
Compliance & Certifications

MUTCD Compliant

Federal standards

DOT Approved

State & Federal

ASTM D4956

Type III/IV/XI

10+ Years

Durability

Recommended

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

Reference: MUTCD Section 2C.63