The National Highway Traffic Safety Administration published the results of its research on costs and benefits of mandated side underride guards for truck trailers. But in the advance notice of proposed rulemaking, the agency acknowledged that it lacks information on a large number of factors that could affect those calculations.
DOT to Seek Comment on Side Underride Guards for Trailers
The first step in creating a federal rule requiring side underride guards for trailers is under review at the White House.