NCHRP-350 (NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM REPORT 350)
WHAT IS NCHRP 350? Procedures are presented for conducting vehicle crash tests and in-service evaluation of roadsidesafety features or appurtenances. The features covered by these procedures include(1) longitudinal barriers such as bridge rails, guardrails, median barriers, transitions, and terminals;(2) crash cushions;(3) breakaway or yielding supports for signs and luminaries;(4) breakaway utility poles;(5) truck-mounted attenuators; and(6) […]
MASH (MANUAL FOR ASSESSING SAFETY HARDWARE)
WHAT IS MASH AASHTO’s Manual for Assessing Safety Hardware (MASH) was released in the Spring of 2016 and is considered an updated replacement of the NCHRP Report 350. At a high level, AASHTO defines MASH as presenting, “uniform guidelines for crash testing permanent and temporary highway safety features and recommends evaluation criteria to assess test […]
European Committee for Standardization TECHNICAL SPECIFICATION (CEN/TS 16786)
WHAT IS CEN/TS 16786CEN/TS 16786:2018 is a technical specification from the European Committee for Standardization (CEN) that addresses road restraint systems, specifically Truck Mounted Attenuators. This standard sets forth performance classes, impact test acceptance criteria, and test performance methods for Truck Mounted Attenuators. This specification was developed by CEN to establish a standardized approach for […]
