NHSTA’s Side Underride Guards Proposal for Truck Trailers Contains Many Unknowns
UPDATED – The National Highway Traffic Safety Administration (NHTSA) has issued an Advance Notice of Proposed Rulemaking (ANPRM) for side underride guards on new trailers and semitrailers. Regulatory agencies use an ANPRM to test out a proposal or solicit ideas before drafting a Notice of Proposed Rulemaking, which launches the











