Marker Signs

OM3-L — Object Marker (Type 3)

OM3-L Object Marker (Type 3) — MUTCD traffic control sign
OM3-L Object Marker (Type 3)
📊 View OM3-L Object Marker (Type 3) on the Sign Chart →

Overview

The OM3-L Object Marker (Type 3) sign is a retroreflective object-marker panel. It marks an obstruction or the end of a roadway to improve visibility.

Requirements

Placeholder requirements for the OM3-L. Document the conditions under which this sign is required, applicable regulatory language, and common compliance failures associated with it.

  • Placeholder requirement one.
  • Placeholder requirement two.
  • Placeholder requirement three.

Placement & Installation

Placeholder placement and installation guidance for the Object Marker (Type 3). Cover advance-warning distances, mounting height, lateral offset, and spacing relative to the work area and posted speed.

Dimensions & Specifications

OM3-L Object Marker (Type 3) dimensions
ApplicationStandard Size
Type 3 marker12 x 36 in

MUTCD Reference

MUTCD § 6F.65. Governed by MUTCD § 6F.65. Object markers follow MUTCD Part 6F.65; confirm type, size, and placement against the current California MUTCD.

This page provides general educational information only. It is not legal advice, engineering advice, or agency approval. Requirements vary by jurisdiction, project type, agency, roadway, permit condition, and approved plan.