U.S. Department of Transportation Releases Random Drug Testing Rates

Guidelines detail minimum rates that private firms must randomly screen transportation-centric employees.

The Department of Transportation has released the updated random drug and alcohol testing rates for transportation-focused employees. These represent the minimum workforce rates that companies are required to test for drugs and alcohol based on their respective industry.

Click here to read the revised rates from the Department of Transportation.

Jan 21, 2026 — Member Update

Latest Articles

Time to Apply for SMACNA’s Safety Awards

Feb 4, 2026 - Between now and May 31, apply for the SMACNA Safety Achievement Awards and the Safety Innovator of the Year Award!

January SMACNA Pacesetters Update

Feb 4, 2026 - SMACPAC Ambassadors engage with lawmakers from both sides of the aisle building relationships that benefit all contractors.

SMACNA Taking Early Action on Critical Legislative Issues

Feb 4, 2026 - Letters to Congress urge action on tariff impacts and change orders.

smacnalogo__185_287__with_white_3a5897_outline