RRFB Application Guide

rrfb application guide selection matrix

This guide illustrates the current industry recommendations for selecting and installing an RRFB crosswalk using information from the Federal Highway Administration (FHWA). RRFBs are included in the Manual on Uniform Traffic Control Devices (MUTCD) under Interim Approval 21 (IA-21).

This guide will help explain:

  • Best practices for RRFBs: what road conditions facilitate selecting an RRFB
  • FHWA / MUTCD IA-21 requirements
  • Installation examples and equipment options


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