You thought that wild weekend from months ago was ancient history? Think again. While blood tests only catch drug use from the past few days and urine tests stretch to maybe a few weeks, there’s a ...

Add Yahoo as a preferred source to see more of our stories on Google. Revised guidelines for drug-testing hair scheduled for publishing next year. (Photo: Jim Allen/FreightWaves) WASHINGTON — The U.S.

It has been more than six years since Congress mandated that the Department of Health and Human Services adopt a drug testing rule allowing the use of hair samples to drug-test drivers and other ...

With more than 230,000 positive drug tests since 2020, how the trucking industry detects drivers’ drug use is an important topic. Currently, Department of Transportation drug testing relies entirely ...

[Stay on top of transportation news: Get TTNews in your inbox.] The Federal Motor Carrier Safety Administration is seeking comment on a request by an alliance of large motor carriers for an exemption ...

Proponents of hair-testing for federally required drug testing of truck drivers have had another setback with the denial of a petition to the Federal Motor Carrier Safety Administration ... Or have ...

Researchers at the University of Central Arkansas concluded that urinalysis, the primary means of Department of Transportation (DOT) truck driver drug screenings, misses about 90% of actual drug use.