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R9-3a No Pedestrian Crossing — official FHWA layout

NO PEDESTRIAN CROSSING Sign Requirements

This guide summarizes the MUTCD requirements and practical application guidance for the R9-3a NO PEDESTRIAN CROSSING sign. Use this resource to understand when it is required, how to place it correctly, and how to maintain clear visibility for safe operations.

When It Is Used

Prohibiting crossings at closed or unsafe locations

Where It Applies

At and in advance of the pedestrian/sidewalk closure.

Placement Basics

Mount at the standard height and setback for the roadway with clear sight lines.

Visibility / Reflectivity

High reflectivity and clear sight lines are essential day and night.

1. When a NO PEDESTRIAN CROSSING Sign Is Used

Prohibits pedestrians from crossing at the location where the word-legend NO PEDESTRIAN CROSSING sign is posted, directing them to a designated crossing instead.

  • Prohibiting crossings at closed or unsafe locations
  • Routing pedestrians to the designated accessible crossing
  • Used with SIDEWALK CLOSED and crosswalk signing

2. How and Where It Applies

In the field, R9-3a No Pedestrian Crossing is typically positioned at the at and in advance of the pedestrian/sidewalk closure. Common deployments include prohibiting crossings at closed or unsafe locations; routing pedestrians to the designated accessible crossing; used with SIDEWALK CLOSED and crosswalk signing. Always confirm its size, retroreflective sheeting, spacing, and placement against the CA MUTCD 2026 and the reviewing agency before finalizing the traffic control plan.

3. Placement and Application Notes

Position R9-3a at and in advance of the pedestrian/sidewalk closure.

  • Place the sign where drivers have a clear, unobstructed view on approach.
  • Mount at the standard height and setback from the edge of the traveled way.
  • Do not mount with other signs on the same post unless space constraints require it.

4. Standard Sizes and Visibility Considerations

Typical minimum: 24" × 12" to 24" × 18" (pedestrian sign).

  • Choose size based on roadway speed, sight distance, and mounting location.
  • Maintain high retroreflectivity for maximum night and adverse-weather visibility.

5. California Notes

Used in California work zones to keep pedestrians from crossing at a closed or unsafe location and route them to the accessible crossing designated on the TCP.

Go to California Notes

6. Common Field or Planning Mistakes

  • No ADA-compliant alternate pedestrian route shown on the TCP.
  • Sidewalk closure not signed in advance (cross-here / ahead signs missing).
  • Accessible width and surface of the pedestrian detour not noted.
  • Barricades and detectable edging not shown at the closure.

Related Resources

View All R-Series Signs

Educational reference only. This is not an official Caltrans, FHWA, or local agency publication and is not legal or engineering advice. Always verify sign selection, size, placement, spacing, and application against the current CA MUTCD 2026, Caltrans sign specifications, Standard Plans, project documents, and the reviewing agency’s requirements. Local jurisdictions may impose additional requirements, and final selection, placement, and dimensions may require engineering judgment or agency approval. Written against California MUTCD 2026 (effective January 18, 2026) and the Federal MUTCD 11th Edition. Official sources last verified June 2026.

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