Roadside Hardware Policy and Guidance

Federal-Aid Reimbursement Eligibility Process

Finite Element FAQ's

Form to Request Eligibility for Federal Aid Reimbursement

FHWA Policy Memoranda on Roadside Hardware
Here’s where to find FHWA policy memoranda on roadside hardware.

ET-Plus W-Beam Guardrail Terminal Memorandum
The Office of Safety has received inquiries from FHWA Division Offices and State DOTs regarding the Federal-aid eligibility of the ET-Plus w-beam guardrail end terminal manufactured by Trinity Highway Products.

Roadside Design: Steel Strong Post W-beam Guidance Memo
A guidance memo was issued on May 17, 2010 on the height of guardrail for new installations. Guidance regarding existing guardrail will be developed in the next several months, in consultation with AASHTO’s Technical Committee on Roadside Safety.

NCHRP Report 350: Recommended Procedures for the Safety Performance Evaluation of Highway Features:

  • Part A [PDF 2.44 MB]
  • Part B [PDF 1.26 MB]

FHWA policy defines crashworthy devices as those that have passed a crash test conducted under the procedures defined in NCHRP Report 350 or the AASHTO Manual for Assessing Safety Hardware (MASH).

Frequently Asked Questions and Answers About Roadside Safety Appurtenances
Questions and comments from State transportation agencies, industry, and the Federal Highway Administration.

The Roadside Design Guide was revised in 2011 and is available from the AASHTO bookstore at:

A collection of manufacturers that produce roadside hardware.

Search for Crashworthy Hardware (FHWA Hardware Acceptance)

To find hardware that has been tested for crashworthiness according to the NCHRP-recommended procedures, see:

Return to top

Program Contact

Nick Artimovich


Will Longstreet


What's New

Design Criteria for Adaptive Roadway Lighting, PUBLICATION NO. FHWA-HRT-14-051 JULY 2014 new

Median Barriers on Divided Highways Regardless of Access Type new

ET-Plus W-Beam Guardrail Terminal Memorandum new

FHWA Resource Charts, July 2013

FHWA Roadway Lighting Handbook, August 2012

RwD Strategic Plan, April 2013

Updated Guidance on Sign Retroreflectivity, April 2013

Clarifying Guidance on Daytime Luminance, January 2013

Guidance for the Selection , Use and Maintenance of Cable Barrier Systems, November 2012