MASH Testing 101 A Comprehensive Guide » OTW Safety

Up until recently, attenuators were tested using criteria listed in the National Cooperative Highway Research Program Report 350 (NCHRP 350), “Recommended Procedures for the Safety Performance Evaluation of Highway Features”. In 2016, a plan to replace these testing criteria and guidelines was set in place when the Association of State Highway and Transportation Officials (AASHTO) […]