Fhwa mandatefhwa mandate many widely used safety features did not meetmany widely used safety features did not meet previous 2 sets of criteria nchrp 230 and trcprevious 2 sets of criteria nchrp 230 and trc 191. April 4, 2011 ite technical conference lake buena vista, fl implementation of aashtos manual for assessing safety hardware mash 2016 update from the technical committee on roadside safety. New systems are continually emerging to address safety problems. To facilitate the implementation of the manual for. Roadside design safety, safety data, safety performance measures and monitoring. Evaluation of existing roadside safety hardware using manual for. Devices and practices improve in response to an increased understanding of safety performance, a changing vehicle fleet, the emergence of new materials, and other factors. It includes a new matrix for cable barrier testing on slopes. Implementation of aashtos manual for assessing safety. Manual for assessing safety hardware mash summary in issuing federalaid eligibility letters for roadside safety hardware, fhwa currently makes determinations of continued eligibility for modi. Initially, little funding for testing under 350initially, little funding for testing under 350 in 1998in 1998 some hardware categories could not meet. The manual for assessing safety hardware, 2nd edition youtube.
The manual for assessing safety hardware, 2nd edition. Manual for assessing safety hardware mash 2016 implementation. These publications and many more may be purchased at the aashto online bookstore. It is recommended that crash testing facilities and standards like manual for assessing safety hardware mash sicking, 2009 or lable in malaysia. This manual encourages consistency in testing and evaluation of roadside safety features. Cover of manual for assessing safety hardware mash. The aashto manual for assessing safety hardware mash is the new state of the practice for the crash testing of safety hardware devices for use on the national highway system nhs. Manual for assessing safety hardware test level 4 design and evaluation of a restorable energyabsorbing concrete barrier. Louisiana dotd, bridge design engineer administrator.
Fhwas manual for assessing safety hardware mash webpage. In issuing federalaid eligibility letters for roadside safety hardware, fhwa currently makes determinations of continued eligibility for. Implementation of aashtos manual for assessing safety hardware mash 2016 aashto scobs annual meeting paul fossier, p. The manual for assessing safety hardware, 2nd edition, is a set of performance criteria developed to encourage consistency in the crash testing and evaluation of roadside safety features. Federal register manual for assessing safety hardware. Aashto mash2 manual for assessing safety hardware, second edition. Aashto guidance safety federal highway administration.
This second edition of the manual for assessing safety hardware mash is the latest in a long series of crash testing guidance documents dating back to 1962. Evaluation of existing roadside safety hardware using. Aashto manual for assessing safety hardware mash test level 4 tl4 performance. Manual for assessing safety hardware, second edition the. Pdf manual for assessing safety hardware test level 4. Download a pdf of evaluation of existing roadside safety hardware using manual for assessing safety hardware mash criteria by the national academies of sciences, engineering, and medicine for free. For more information about this publication or to purchase a copy, visit the aashto bookstore online at. To directly download the agreement to your computer, click here.
Pdf manual for assessing safety hardware test level 4 design. Aashtofhwa joint implementation agreement for manual for assessing safety hardware describes the roles that aashto, fhwa, and agencies will play with regards to implementing safety hardware. The aashto manual for assessing safety hardware 2016 mash16 is the new state of the practice for the crash testing of safety hardware. This second edition of the manual for assessing safety hardware mash is the latest in a long series. The following aashto publications are some of the ones developed andor updated by the technical committees of the committee on design. Effective january 1, 2016, all changes to nchrp 350tested devices require testing under. Article information, pdf download for manual for assessing safety. In an effort to facilitate the implementation of the manual for assessing safety hardware mash, fhwa intends to discontinue issuing eligibility letters for requests received after december 31, 2015, for modified nchrp 350tested devices that do not involve full scale crash testing to the mash. A policy on geometric design of highways and streets, 7th edition aashto green book.