Car and Truck Speed Limits by States

Speeding is one of the leading contributors to serious accidents on U.S. roads—especially for large commercial vehicles. To reduce truck speeding and improve road safety, drivers and fleets need to understand and follow posted limits. Driving too fast not only cuts down reaction time but also increases the severity of crashes.

The speed limits for trucks and cars vary by state in the United States. Here is a general overview of the speed limits for all states, according to the Insurance Institute for Highway Safety.

State	Rural interstates, MPH	Urban interstates, MPH	Other limited access roads, MPH	Other roads, MPH
Alabama	70	65	65	65
Alaska	65	55	65	55
Arizona	75	65	65	65
Arkansas	75 trucks: 70	65	75 trucks: 70	65
California	70 trucks: 55	65 trucks: 55	70 trucks: 55	65 trucks: 55
Colorado	75	65	65	65
Connecticut	65	55	65	55
Delaware	65	55	65	55
District of Columbia	n/a	55	n/a	25
Florida	70	65	70	65
Georgia	70	70	65	65
Hawaii	60	60	55	45
Idaho	75; 80 on specified segments trucks: 70	75; 80 on specified segments trucks: 65	70	70
Illinois	70	55	65	55
Indiana	70 trucks: 65	55	60	55
Iowa	70	55	70	65
Kansas	75	75	75	65
Kentucky	65; 70 on specified segments	65	65	55
Louisiana	75	70	70	65
Maine	75	75	75	60
Maryland	70	70	70	55
Massachusetts	65	65	65	55
Michigan	70; 75 on specified segments trucks 65; 75 on specified segments	70	70	55
Minnesota	70	65	65	60
Mississippi	70	70	70	65
Missouri	70	60	70	65
Montana	80 trucks: 70	65	70 day 65 night	70 day 65 night
Nebraska	75	70	70	65
Nevada	80	65	70	70
New Hampshire	65; 70 on specified segments	65	55	55
New Jersey	65	55	65	55
New Mexico	75	75	65	55
New York	65	65	65	55
North Carolina	70	70	70	55
North Dakota	75	75	70	65
Ohio	70	65	70	55
Oklahoma	75; 80 on specified segments	70	70	70
Oregon	65; 70 on specified segments trucks: 55; 65 on specified segments	55	65	65
Pennsylvania	70	70	70	55
Rhode Island	65	55	55	55
South Carolina	70	70	60	55
South Dakota	80	80	70	70
Tennessee	70	70	70	65
Texas	75; 80 or 85 on specified segments	75	75	75
Utah	75; 80 on specified segments	65	75	65
Vermont	65	55	50	50
Virginia	70	70	65	55
Washington	70; 75 on specified segments trucks: 60	60	60	60
West Virginia	70	55	65	55
Wisconsin	70	70	70	55
Wyoming	75; 80 on specified segments	75; 80 on specified segments	70	70

Note that these are general speed limits and there may be specific restrictions or variations based on the type of road, vehicle, weather conditions, etc. It’s always best to check the specific laws and regulations in your state or consult with local authorities for the most up-to-date information.

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