Car speed limits in Wyoming (2026)
Last reviewed: 9 October 2026
In short: The limit is 30 mph in urban districts and in residence districts and subdivisions, and 20 mph in signed school zones. It is 65 mph on paved roads and 55 mph on unpaved roads with no other limit, and 70 mph on state highways that are not interstates. The limit is 75 mph on interstate highways, or 80 mph where the superintendent designates it. Speeding in school and construction zones is fined at higher rates.
| Rule | What applies |
|---|---|
| Built-up areasPassenger car on public roads | 30 mph in any urban district and in any residence district or subdivision, except on roads designated private roads [1] |
| Outside built-up areas (single carriageway)Passenger car on public roads | 70 mph on state highways that are not interstate highways; 65 mph where the roadway is paved and 55 mph where it is unpaved for all other locations with no specified limit [1] |
| MotorwaysPassenger car on public roads | 75 mph on interstate highways; 80 mph on interstate highways designated by the superintendent [1] |
| School zonesPassenger car on public roads | 20 mph when passing a school building or grounds, or in a signed school zone or school crossing with a reduced limit. Fines are higher than for ordinary speeding: from $50 plus $2 per mph over, to $200 plus $10 per mph for more than 10 mph over. [1] |
| Roadworks zonesPassenger car on public roads | Speeding in a construction zone is fined on a higher scale than ordinary speeding (from $65 plus $2 per mph over, to $195 plus $7 per mph for more than 20 mph over), and every such offence goes on the driving record. [1] |
Notes
- These are maximum lawful speeds. Local authorities and the superintendent may set other limits under sections 31-5-302 and 31-5-303.
Sources
- Wyoming Legislature: Wyoming Statutes Title 31, section 31-5-301, Maximum speed limits (consulted 9 October 2026) · all sources
Wyoming and neighbouring states
| State | Built-up areas | Outside built-up areas (single carriageway) | Outside built-up areas (dual carriageway or expressway) | Motorways |
|---|---|---|---|---|
| Wyoming | 30 mph | 70 mph state highways; 65 mph other paved | — | 75 mph; 80 mph where designated |
| Colorado | 25 mph business, 30 mph residential | 55 mph (40 mph open mountain highways) | 65 mph (four-lane expressways) | 65 mph |
| Idaho | 35 mph | 65 mph state hwys; 55 mph other | 65 mph state hwys; 75 mph interstates | 75 mph (interstates) |
| Montana | 25 mph | 70 mph day / 65 night | 75 mph day / 70 night | 80 mph (65 in urban areas) |
| Nebraska | 25 mph residential, 20 business | 50-65 mph depending on road type | 65-70 mph | 75 mph (65 in parts) |
| South Dakota | 25 mph unposted | 65 mph; 55 mph township roads | Up to 70 mph where set and posted | 80 mph |
| Utah | 25 mph | 55 mph | — | Posted, up to 75 mph |
More rules in Wyoming
- CannabisPossession for personal use: Criminal offence (misdemeanour) · Growing at home: Prohibited (misdemeanour)
- 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
- Drink-driving limitsBlood alcohol limit for ordinary drivers: 0.08% · Lower limit for novice or young drivers: 0.02% (under 21)
Related pages
General information, not legal advice. Rules change: check the official source before you fly or ride.