Object Marker

OM1-2 — Object Marker (Type 1, Dots)

Sign Specifications

OM1-2 specifications
Code	OM1-2
Name	Object Marker (Type 1, Dots)
Category	Object Marker
Shape	Marker panel
Color	Yellow or orange / black (retroreflective)
CA status	Recognized in the California MUTCD (2026)
MUTCD reference	§ 6F.65 (MUTCD 11th Edition)
CA MUTCD reference	California MUTCD (2026)

What This Sign Means

The OM1-2 Object Marker (Type 1, Dots) sign is a retroreflective object-marker panel. It marks an obstruction or the end of a roadway so approaching drivers can see and avoid it, day or night.

California Field Use

Mounted on or beside obstructions, barricades, and the ends of channelizing devices.
Provides nighttime delineation with retroreflective material along tapers and hazards.

Where It Goes on a TCP

Activity area — on the obstruction or channelizing device being marked.

MUTCD Requirements

The OM1-2 Object Marker (Type 1, Dots) is addressed under Part 6F.65 (object markers) of the MUTCD 11th Edition (MUTCD § 6F.65). Read the governing standard, guidance, option, and support text in the official MUTCD before applying it.

Read the MUTCD 11th Edition →

California Requirements

California adopts this sign through the California MUTCD, sometimes with state-specific sizing or application notes. A common conventional-road size is per MUTCD 6F.65; larger sizes apply on expressways and freeways. Confirm the size and application for your facility against the current CA MUTCD (2026) and the Caltrans sign specifications and Standard Plans.

OM1-2 Object Marker (Type 1, Dots) sizes
Application	Standard Size
Object marker panel	per MUTCD 6F.65

California MUTCD (Caltrans) →

Common Plan Review Comments

Object markers missing on exposed obstructions or device ends.
Retroreflective sheeting not specified for night visibility.
Spacing along the taper not shown.

Compliance Notes

Markers present on all exposed obstructions.
Sheeting is retroreflective and clean.