Regulatory Signs

R11-3aRoad Closed Ahead

R11-3a Road Closed Ahead — MUTCD traffic control sign
R11-3a Road Closed Ahead

Overview

The R11-3a Road Closed Ahead sign is a white rectangle with a black legend. It indicates that a road or segment is closed to traffic.

Requirements

Placeholder requirements for the R11-3a. 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 Road Closed Ahead. Cover advance-warning distances, mounting height, lateral offset, and spacing relative to the work area and posted speed.

Dimensions & Specifications

R11-3a Road Closed Ahead dimensions
ApplicationStandard Size
Standard60 x 30 in
Minimum48 x 24 in

MUTCD Reference

MUTCD § 6F.27. Governed by MUTCD § 6F.27. This is a regulatory sign; standard sizes come from MUTCD Part 2 — confirm the size and application 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.