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Commercial motor vehicle officers reported 13.2% of inspections resulted in out-of-service orders for brake violations during a weeklong brake enforcement operation, compared with 12.3% last year and 16.2% in 2014.

Scientific and technical experts on drug testing hair concluded that additional research is needed before regulators adopt a federal standard for commercial vehicle drivers, according to a group report.

The National Highway Traffic Safety Administration has announced it will hold a public listening session Nov. 10 for comment on the recently released guidelines for the testing and deployment of highly automated vehicles.

WASHINGTON — A pair of commercial driver health-related measures won approval from Federal Motor Carrier Safety Administration advisory panels last week.

A Federal Motor Carrier Safety Administration advisory committee formally asked the agency to get “proactive and involved” with a Department of Transportation inter-agency group to get the commercial motor vehicle industry “a seat at the table” to work on the design, safety and regulatory aspects of autonomous trucks.

Two Federal Motor Carrier Safety Administration advisory committees forwarded on Oct. 24 a slate of comprehensive moderate-to-severe obstructive sleep apnea risk factor recommendations that the agency could use in a formal regulatory requirement for truck and bus drivers to submit to costly diagnostic sleep studies.

An appeals court has rejected claims by an obese truck driver that he should not have been required by his employer to submit to a sleep study to determine if he had obstructive sleep apnea.