Public comments on a proposal to soon allow Mexican trucks on U.S. highways were largely divided among those who urgently want retaliatory Mexican tariffs ended and those who fear it would leave U.S. roads less safe and steal jobs from Americans.

A federal grants program aimed at helping states acquire the technology to speed trucks through weigh stations has been temporarily shut down after the federal agency administering the program learned it had obligated $23 million more in program funding than was authorized by law, according to a new government audit.

WASHINGTON — The trucking industry has made great strides in truck safety over the past decade, but numerous challenges remain as motor carriers and truck drivers cope with an increasingly tough regulatory environment, industry executives told the National Transportation Safety Board Tuesday.

Seat belt use among drivers of medium- and heavy-duty commercial vehicles rose to 78% last year, from 74% in 2009, the fourth straight annual increase, according to a new Federal Motor Carrier Safety Administration study.

Federal regulators have issued a proposed rule that would extend a ban on the use of handheld cellphones to include intrastate hazardous materials motor carriers.

The number of injuries in U.S. truck related accidents declined by 18% in 2009, according to new statistics compiled by the National Highway Traffic Safety Administration.

Members of a key House panel began hearing proposals Tuesday from members of Congress about ways to fund a six-year highway reauthorization bill without exceeding Highway Trust Fund revenues that are mostly derived from federal gas and diesel taxes.

Rep. John Mica (R-Fla.), chairman of the House Transportation & Infrastructure Committee, told a group of shippers attending a Washington legislative policy forum Tuesday that he plans to get a long-term transportation reauthorization bill on the House floor sometime in May.

American Trucking Associations is “poised” to file a lawsuit against the Federal Motor Carrier Safety Administration if the agency adopts a proposed rule that would cut driver time to 10 hours a day, ATA Chairman Barbara Windsor said.