AASHTO MASH-2 – Manual for Assessing Safety Hardware, Second Edition, Includes Errata 1 (2020), Errata 2 (2020), Errata 3, and Errata 4 (2022)
This manual encourages consistency in testing and evaluation of roadside safety features. It includes a new matrix for cable barrier testing on slopes, modifications to several test vehicle dimensions, and updated test documentation requirements.