Drink-driving limits in Wyoming (2026)
Last reviewed: 30 October 2026
In short: State drink-driving rules for this state have not yet been verified.
| Rule | What applies |
|---|---|
| Random breath tests without suspicionDriving after drinking alcohol | ⚠ Not yet verified |
| Blood alcohol limit for ordinary driversDriving after drinking alcohol | 0.08 % blood alcohol [1] |
| Lower limit for novice or young driversDriving after drinking alcohol | A person younger than 21 may not drive or be in actual physical control of a vehicle with an alcohol concentration of 0.02% or more. [1] |
| Limit for professional or commercial driversDriving after drinking alcohol | Driving or being in actual physical control of a commercial motor vehicle with an alcohol concentration of 0.04% or more is a ground for disqualification from driving a commercial motor vehicle for at least one year; having any alcohol in the system while driving one means 24 hours out of service. [1] |
| Maximum penaltiesDriving after drinking alcohol | First offence: a misdemeanour punishable by up to 6 months in jail, a fine of up to $750, or both. Second offence within 10 years: at least 7 days in jail; third: at least 30 days. [1] |
Notes
- Not yet verified against the state's official statutes.
- Stated in the commercial driver disqualification and out-of-service sections of Title 31, not as a separate offence in 31-5-233. Higher penalty tiers exist for injury and death.
Sources
- Wyoming Legislature: Wyoming Statutes Title 31 - Motor Vehicles (compressed PDF, generated 8 May 2026): W.S. 31-5-233, 31-5-234, 31-7-305, 31-7-306 (consulted 30 October 2026) · all sources
National rules that also apply
These rules are set at national level in the United States and apply here too, alongside the rules above. All national rules for the United States
| Limit for professional or commercial drivers | 0.04% alcohol concentration or more: a driver subject to commercial driver's licence rules must not report for or remain on duty performing safety-sensitive functions, and an employer who knows of it must not let the driver continue. (source: Electronic Code of Federal Regulations (Office of the Federal Register)) |
|---|
Wyoming and neighbouring states
| State | Blood alcohol limit for ordinary drivers | Lower limit for novice or young drivers | Limit for professional or commercial drivers | Random breath tests without suspicion | Maximum penalties |
|---|---|---|---|---|---|
| Wyoming | 0.08% | 0.02% (under 21) | 0.04% (commercial vehicle) | ⚠ Not yet verified | First: up to 6 months / $750 |
| Colorado | 0.08% | 0.02% under 21 | 0.04% (commercial vehicle) | Yes, sobriety checkpoints | ⚠ Not yet verified |
| Idaho | 0.08% | 0.02% (under 21) | 0.04% (commercial vehicle) | ⚠ Not yet verified | Up to 6 months; fine up to $1,000 |
| Montana | 0.08% | 0.02% under 21 | 0.04% in a commercial vehicle | ⚠ Not yet verified | Up to 6 months jail, $600-1,000 fine |
| Nebraska | 0.08% | 0.02% (under 21) | 0.04% (commercial vehicle) | ⚠ Not yet verified | Class W misdemeanour; 6-month revocation |
| South Dakota | 0.08% | 0.02% (under 21) | 0.04% commercial | ⚠ Not yet verified | Up to 1 year; $2,000 fine |
| Utah | 0.05% | Any alcohol (under 21) | 0.04% (commercial) | Yes (magistrate-approved checkpoints) | Class B misd.; min. 2 days jail, $700 fine |
More rules in Wyoming
- CannabisPossession for personal use: Criminal offence (misdemeanour) · Growing at home: Prohibited (misdemeanour)
- Car speed limitsBuilt-up areas: 30 mph · Outside built-up areas (single carriageway): 70 mph state highways; 65 mph other paved
- Minimum age for a car driving licenceMinimum age for a car licence: 16 (after 6 months on intermediate permit) · Earliest age to drive a car supervised: 15 (instruction permit)
- E-bikes and speed pedelecsLegal class: Three classes
- Knives and pepper sprayFolding pocket knives: No knife rule; concealed deadly weapon offence · Locking or one-handed knives: No knife-specific rule
- Statutory minimum wageNational statutory minimum wage: Yes (state law, $5.15) · Current adult minimum wage (gross): $7.25 (federal; state basic rate $5.15)
- Using a mobile phone while drivingHolding a phone while driving banned: No (texting only) · Hands-free use: Allowed
- Seat belts and child seatsSeat belt compulsory in front seats: Yes · Seat belt compulsory in rear seats: Yes
- Tobacco and nicotine age limitsMinimum age to buy tobacco: 21 · Minimum age to buy e-cigarettes: 21
- Drinking age and alcohol salesMinimum age to buy beer and wine: 21 · Minimum age to buy spirits: 21
Related pages
General information, not legal advice. Rules change: check the official source before you fly or ride.