Pam / Tuesday, November 16, 2021 / Categories: ATSSA, FHWA, Government, Innovation, Transportation AASHTO and FHWA release answers to help implement MASH The American Association of State Highway and Transportation Officials (AASHTO) and the Federal Highway Administration (FHWA) on Monday released responses to three questions regarding testing of roadway safety hardware under the Manual for Assessing Safety Hardware (MASH), 2016. The guidance is available online and includes all new and prior questions and answers dating to May 2018. A joint AASHTO/FHWA technical working group developed the latest responses, which are created to help manufacturers, crash test laboratories and transportation agencies apply the guidelines to roadway safety devices. Print 4854 Rate this article: 5.0 Tags: FHWA MASH AASHTO Please login or register to post comments.