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NCHRP 350 Approval Information

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Federal Highway Administration (FHWA) requires all work zone traffic control devices on the National Highway System be crashworthy.  This page provides links and information on policy guidance, procedures for getting devices crash tested, and FHWA acceptance letters on the devices that have been deemed crashworthy, etc.

Overview

• NCHRP Report 350 & Appendices [updated and superseded by Manual for Assessing Safety Hardware, First Edition]
• Overview of NCHRP 350 Application to Work Zone Safety Devices
  Prepared by Roger Bligh of TTI

FHWA NCHRP 350 Approval Information

• FHWA's Crashworthy Work Zone Traffic Control Devices web site
  Includes FHWA memos, acceptance letters for Category II work zone devices, and Frequently Asked Questions about crash testing of work zone safety appurtenances, etc.  The following are a few highlights:
  • FHWA Memo: FHWA Hardware Acceptance Procedures – Category 2 Work Zone Devices
  • FHWA Acceptance Letters for Category II Work Zone Devices
  • Frequently Asked Questions About Crash Testing of Work Zone Safety Appurtenances

Last verified: 10/21/2009