Commercial drivers prohibited from operating with any alcohol in system.

Wyo. Stat. Ann. § 31-7-306
in effect
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(a) Notwithstanding any other provision of this title, a person may not drive, operate or be in physical control of a commercial motor vehicle while having alcohol in his system. (b) A person who drives, operates or is in physical control of a commercial motor vehicle while having alcohol in his system as provided by W.S. 31-7-307 shall be placed out-of-service for twenty-four (24) hours.
Source: WY Statutes (Official Site)URL: https://wyoleg.gov/statutes/compress/title31.pdfFetched: 10/4/2026