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WASHINGTON — Nominees to serve on the independent National Transportation Safety Board emphasized the need to continue to thoroughly investigate high-profile accidents to ensure the reliability of freight and passenger corridors during a Senate hearing July 24.

National Transportation Safety Board Chairman Robert Sumwalt recently announced three leadership changes.

A new study highlighting the perils of speeding on the nation’s highways urges action by policymakers and transportation stakeholders.

WASHINGTON — Automobile and truck manufacturers should develop a standard practice of installing collision avoidance technology in their vehicles, according to the National Transportation Safety Board, which named the system as one of its 10 Most Wanted Transportation Safety Improvements.

The National Transportation Safety Board said that during the 35-day partial government shutdown it was unable to dispatch investigators to multiple instances of fatal accidents.

WASHINGTON — Collision avoidance technology in trucks could improve the safety of operators and everyone else on the road, according to Rob Molloy, director of the National Transportation Safety Board’s Office of Highway Safety.

Robert Sumwalt will serve as chairman of the National Transportation Safety Board after the Senate confirmed him to the post Aug. 3.