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Highway crews in Wisconsin on June 16 began installing 70 mph speed limit signs along some of the state’s interstates, the Wisconsin Department of Transportation announced.

The U.S. Supreme Court on June 15 declined to hear an appeal brought by a Volvo Group subsidiary over a $72 million fine issued by the Environmental Protection Agency.

ROCKVILLE, Md. – An advisory board that explores scientific evidence to support possible changes or additions to federal drug testing requirements is on track this summer to issue a recommendation that hair specimens be approved for the pre-employment screening of truck drivers and other “safety sensitive” federal workers.

A two-year compilation of federal crash data shows that most fatal, injury and tow-away truck-involved crashes occur during daytime hours, peaking from about 6 a.m. to 7 p.m., according to Data-analytics provider Vigillo.

Federal regulators have granted refrigerated carrier C.R. England Inc. a two-year exemption from a new requirement that truck drivers with learning permits who have passed their commercial driver license skills test be accompanied by an experienced “on-duty” driver-trainer for the drive home to pick up their CDL.

The House on June 9 approved spending legislation with key trucking provisions, including one that would permit twin 33-foot trailers on U.S. highways. The Transportation, Housing and Urban Development appropriations bill now goes to the Senate.

The National Transportation Safety Board on June 8 issued a recommendation that collision avoidance systems be standard equipment on all new cars and commercial trucks.