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Just over a month after the National Highway Traffic Safety Administration submitted a proposed regulation to require speed limiters on big rigs to the DOT, it has been returned to the agency without approval.

Tags: NHTSA, Speed Limiter, U.S. DOT

A new report from the National Highway Traffic Safety Administration shows highway fatalities in the United States increased last year 5.3% from 2011, reversing several years of annual declines.

Tags: NHTSA, Highway Fatalities, Safety

The National Highway Traffic Safety Administration announced three truck makers -- Daimler Trucks North America, Volvo and Navistar International -- are recalling vehicles, for defects including daytime running lights, a battery disconnect switch and an axle bearing retaining nut lock snap ring.

Tags: NHTSA, Navistar, Volvo Trucks, Daimler Trucks North America, Recalls

Paccar is recalling certain model year 2013-2014 Kenworth T680 and T880 trucks and model year 2013-2014 Peterbilt 567, 579 and 587 trucks equipped with air ride seats. The cables for anchoring the seat belt buckles of both the driver and passenger seat may fray.

Tags: Kenworth, Paccar, Peterbilt, NHTSA, Recalls

Modern semitrailers for the most part do a good job of keeping passenger vehicles from sliding underneath them, greatly increasing the chances of surviving a crash into the back of a large truck, recent tests by the Insurance Institute for Highway Safety show. But in crashes involving only a small portion of the truck's rear, most trailers fail to prevent potentially deadly underride.

Tags: IIHS, NHTSA, Underride guard