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FHWA Home / Safety / Roadway Departure / Status of AASHTO MASH Implementation

Status of AASHTO MASH Implementation

On December 21, 2015, the AASHTO/FHWA Joint Implementation Agreement1 for AASHTO MASH was successfully balloted by AASHTO's Standing Committee on Highways and approved by FHWA. The Agreement helps encourage the application of the newest and safest generation of roadside hardware. It defined actions needed for full implementation of AASHTO's MASH over the course of several years.

The FHWA Office of Safety is tracking whether States have or will have a policy in place that requires installation of the safety hardware by the required date. The graphs below represent the states' status as of 5/24/2017. The graphs will be updated quarterly beginning 09/01/2017.

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Page last modified on August 29, 2017
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Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000