U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
NTSB Recommendations
AASHTO Guidance
Barrier and Terminal Design and Installation
- ACTION: Guardrail Terminal Installations and Repairs – November 30, 2016. Brings attention to guardrail terminal installation and repair issues.
- ACTION: REACT 350 Crash Cushion – September 14, 2016.
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ACTION: Roadside Safety Hardware – May 26 2015. Installation and maintenance of guardrail terminals.
- ACTION: ET-Plus W-Beam Guardrail Terminal Memorandum – October 10, 2014. Advises on recent developments, ongoing activity, action, and request for information.
- ET-Plus W-Beam Guardrail Terminal Memorandum – June 17, 2014. Provides information on eligibility of the device for Federal-aid reimbursement.
- ACTION: Application and Installation of Roadside Hardware – November 3, 2010. This memorandum addresses the proper application and installation of roadside safety hardware, and supersedes the memorandum of the same subject dated October 1, 2010
- ACTION: Roadside Design: Steel Strong Post W-beam Guardrail – May 17, 2010. Provides guidance on the height of guardrail for new installations on the National Highway System.
- ACTION: Supplementary Guidance for the Selection of W-Beam Barrier Terminals – November 17, 2005. This memorandum supplements the October 26, 2004 memorandum on the same topic, and provides additional information to assist designers in making appropriate barrier terminal selections.
- Guidelines for the Selection of W-Beam Barrier Terminals – October 26, 2004. The purpose of this memorandum is to provide specific information on the characteristics of most W-beam guardrail terminals that have been accepted for use on the NHS under the test evaluation criteria contained in NCHRP Report 350, and to provide guidelines for their selection.
- Bridge Rail Analysis – May 16,2000. Information and example of analysis for bridge railings that are essentially the same as crash-tested designs.
- Technical Advisory T5040 – April 13, 1992 – Curved W-Beam Guardrail Installations at Minor Roadway
Intersection
Archive
- Roadside Safety Hardware-Federal-Aid Reimbursement Eligibility Process – May 21, 2012 SUPERSEDED
[Note: This memo has been superseded. Updated information was provided in a November 12, 2015 memo.]
- Information Memorandum: Cable Barrier Considerations – July 20, 2007
[Note: Much of the information in the memo was superseded by the research found in NCHRP Report 711.]
- Guidelines for the Selection of Crash Cushions – January 3, 2000 [PDF, 641 KB] CANCELED
[Note: This memo has been cancelled. See the AASHTO Roadside Design Guide for current information.]
- Action Memorandum: National Cooperative Highway Research Program (NCHRP) Report 350 Hardware Compliance Dates – August 28, 1998
- Information Memorandum: Crash Tested Work Zone Traffic Control Devices – August 28, 1998 [PDF, 3.73 MB]
- ACTION: Crash Testing of Bridge Railings – May 30, 1997
- ACTION: Identifying Acceptable Highway Safety Features – July 25, 1997. SUPERSEDED
[Note: This memo has been superseded. Updated information can be found in a November 12, 2015 memo.]
- ACTION: Traffic Barrier Safety Policy and Guidance – September 29, 1994 [PDF,1.06 MB]
[Note: Some of the information in this memo was superseded in August 1998 and later memos.]
- Technical Advisory 5040.34, – Guardrail Transitions June 8, 1993 SUPERSEDED
[Note: This memo was superseded by implementation of NCHRP Report 350 as indicated in an August 1998 memo.]
- Corrugated Steel Guardrail Terminals – February 9, 1993 [PDF, 4.60 MB] CANCELED
- Performance of Guardrail Curb Combinations – February 28, 1992 [PDF, 267 KB ]
[Note: This memo has been cancelled. See the NCHRP Report 537 – Recommended Guidelines for Curb and Curb-Barrier Installations.]
- Breakaway Sign and Luminaire Supports– July 6, 1990 [PDF, 567 KB] SUPERSEDED
- [Note: This memo was superseded by implementation of NCHRP Report 350 as indicated in an August 1997 memo.]
- W-Beam Guard Rail End Terminals – June 28, 1990 [PDF, 848 KB] SUPERSEDED
[Note: This memo was superseded in September, 1994.]
- Determination of Strengthened Guardrail Deflection – May 18 1989 [PDF, 3.34 MB] CANCELED
[Note: This memo has been cancelled. See the AASHTO Roadside Design Guide for current information.]
- Technical Advisory 5040.26, January 28, 1988 – Guardrail Transitions SUPERSEDED
[Note: This memo was superseded by implementation of NCHRP Report 350 as indicated in an August 1998 memo.]
Page last modified on May 4, 2021