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H.R. 4320

BillFederalHouseIn Committee
Drug and Alcohol Clearinghouse Public Safety Improvement Act of 2025
About This Bill
Committee
Latest Action · July 11, 2025
Referred to the Subcommittee on Highways and Transit.
Congress
119th (2025–2027)
Introduced
July 10, 2025
Cosponsors (1)
0D 1R
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Summary

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H.R. 4320 expands the Federal Motor Carrier Safety Administration's Drug and Alcohol Clearinghouse by requiring trucking companies to submit positive hair drug test results from pre-employment and random testing. The bill applies to motor carriers operating vehicles weighing 10,000 pounds or more, and any hair tests submitted must come from laboratories accredited by the College of American Pathologists and follow Department of Health and Human Services guidelines. The legislation aims to improve highway safety by creating a more comprehensive record of driver drug use in the clearinghouse database. The Secretary of Transportation must issue implementing regulations within one year of the bill's enactment, updating federal rules to incorporate these hair test results into the definition of what constitutes actual knowledge of drug use.

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