49 U.S.C. § 31306
Alcohol and controlled substances testing
United States · Title 49 — TRANSPORTATION · Status: effective
Cite this
- Citation
- 49 U.S.C. § 31306, Alcohol and controlled substances testing, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/490685
- Permanent ID
ys:prov:490685@1- SHA-256
8d96924d50449639ad86ea17acfc038aa28762c54497e34d0dc5a4ce4c20d7f9
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
The regulations prescribed under subparagraph (A) shall permit motor carriers—
to use hair testing as an acceptable alternative to urine testing—
In prescribing regulations under this subsection, the Secretary of Transportation—
In carrying out subsection (b) of this section, the Secretary of Transportation shall develop requirements that shall—
for laboratories and testing procedures for controlled substances, incorporate the Department of Health and Human Services scientific and technical guidelines dated April 11, 1988, and any amendments to those guidelines, for urine testing, and technical guidelines for hair testing, including mandatory guidelines establishing—
In prescribing regulations under this section, the Secretary of Transportation—
Legislative history
The public laws that enacted or amended this section. Tallies are for the whole bill as it passed each chamber — often an omnibus covering far more than this provision — not a vote on this section alone.
- To revise, codify, and enact without substantive change certain general and permanent laws, related to transportation, as subtitles II, III, and V-X of title 49, United States Code, "Transportation", and to make other technical improvements in the Code.House: no recorded tallySenate: no recorded tally
- National Highway System Designation Act of 1995House: no recorded tallySenate: 80–16
- MAP-21
- FAST Act