U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
FHWA Policy Memoranda on Roadside Hardware
Here’s where to find FHWA policy memoranda on roadside hardware.
ET-Plus W-Beam Guardrail Terminal Memorandum – October 10, 2014
ET-Plus W-Beam Guardrail Terminal Memorandum – June 17, 2014
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:
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: https://bookstore.transportation.org/collection_detail.aspx?ID=105
A collection of manufacturers that produce roadside hardware.
To find hardware that has been tested for crashworthiness according to the NCHRP-recommended procedures, see: