Wyoming Statutes

Wyo. Stat. § 31-6-101 (2026)

Definitions.

✓ current as of May 2026

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(a)    As used in this act:

          (i) "Alcohol concentration" means as defined in W.S.
31-5-233(a)(i);

           (ii)   "Controlled substance" includes:

               (A)     Any drug or substance defined by W.S.
35-7-1002(a)(iv);

               (B) Any glue, aerosol or other toxic vapor which
when intentionally inhaled or sniffed results in impairment of
an individual's ability to drive safely;

               (C) Any drug or psychoactive substance, or
combination of these substances, capable of impairing a person's
physical or mental faculties.

          (iii)    "Department" means the department of
transportation;

           (iv)   "Peace officer" means as defined in W.S.
7-2-101;

           (v)    "This act" means W.S. 31-6-101 through 31-6-108.

     (b) The definitions provided by W.S. 31-5-102(a) apply in
this act.

Notes of Decisions

Cited in 20 cases (1 in the last 5 years), 1979–2021 · leading case: City of Laramie v. Mengel, 671 P.2d 340 (Wyo. 1983).

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City of Laramie v. Mengel, 671 P.2d 340 (Wyo. 1983). · cites it 4× “Each was advised of the provisions of the Implied Consent Law, §§ 31-6-101 to 31-6-106, W.S. 1977, and each of the respondents refused to submit to any chemical test of his blood, breath, or urine.”

State v. Chastain, 594 P.2d 458 (Wyo. 1979). · cites it 3× “Sections 31-6-101 to 31-6-106, W.S.1977. Section 31-6-101 contains only definitions about which we have no question here, and hence it is omitted from the opinion.”

In Re Hittner, 2008 WY 91 (Wyo. 2008). · cites it 4× “[¶ 5] Wyoming's implied consent laws are found at Wyo. Stat. Ann. §§ 31-6-101 through 31-6-108 (LexisNexis 2007) (some portions of those statutes were amended after the date of Hittner's offense, but none of those amendments are pertinent to this appeal).”

Nesius v. State Dep't of Revenue & Taxation, Motor Veh. Div., 791 P.2d 939 (Wyo. 1990). · cites it 4× “31-6-101 through 31-6-106, an individual arrested for DWUI "who drives or is in actual physical control of a motor vehicle * * * is deemed to have given consent, subject to the provisions of this act, to a chemical test or tests of his blood, breath or urine for the purpose of…”

Drake v. State Ex Rel. Dep't of Revenue & Taxation, 751 P.2d 1319 (Wyo. 1988). · cites it 3× ““(e) For any hearing held in accordance with the Implied Consent Law, W.S. 31-6-101 through 31-6-106, the Department of Revenue and Taxation may present evidence by direct testimony or certified record, whichever they so desire.”

State v. Marquez, 638 P.2d 1292 (Wyo. 1982). · cites it 4× “"(b) The scope of such a hearing for purposes of this act [§ 31-6-101 to 31-6-106] shall cover the issues of whether a law enforcement officer had probable cause * * * whether the person was placed under arrest, and whether, he refused to submit to the test * * * and whether,…”

Griffin v. State Ex Rel. Wyoming Dep't of Transp., 2002 WY 82 (Wyo. 2002). · cites it 2× “The agency decision arose from a contested case hearing on October 27, 1999, and the suspension resulted from Griffin's refusal to submit to a chemical test in violation of Wyoming's Implied Consent Law, Wyo. Stat. Ann. §§ 31-6-101 through -108.”

Van Order v. State, 600 P.2d 1056 (Wyo. 1979). “§§ 31-6-101 et seq., W.S.1977. 4 . § 31-5-233, W.”

State Ex Rel. Peterson v. Dist. Court of the Ninth Jud. Dist., 617 P.2d 1056 (Wyo. 1980). “1977), Implied Consent Law (§§ 31-6-101 through 31-6-106, W.S. 1977), Driver's License Act (§§ 31-7-101 through 31-7-138, W.”

Dep't of Revenue & Taxation v. Hamilton, 743 P.2d 877 (Wyo. 1987). “The question we must decide in this case is whether a hearing to review a driver’s license suspension can be held more than 45 days after appellant Department of Revenue and Taxation of the State of Wyoming receives the request for a hearing under the 1985 version of Wyoming’s…”

Farmer v. State, Dep't of Transp., 986 P.2d 165 (Wyo. 1999). · cites it 2× “Farmer “refuse” a chemical test to determine the alcoholic or controlled substance content of his blood as that term is used in the [sic] W.S. § 31-6-101 et seq.? 4.) Is there a way under the statute to afford a real opportunity for an accused to make an informed and well…”

Steven P. Flauding, Jr. v. State of Wyoming ex rel. Wyoming Dep't of Transp., 2021 WY 131 (Wyo. 2021). · cites it 4× “DISCUSSION [¶22] Wyoming’s implied consent statute provides that when driving on a public street or highway a person “is deemed to have given consent, subject to the provisions of [ Wyo. Stat. Ann. §§ 31-6-101 through 31-6-108], to a chemical test or tests of his blood, breath…”

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— Wyo. Stat. § 31-6-101(a)(iv) — 1 case

Colyer v. State, Dept. of Transp., 2009 WY 43 (Wyo. 2009).

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