Below is a detailed breakdown for the maximum speed limits by State according to the Insurance Institute for Highway Safety (IIHS).

Please note: these limits are a guideline only. You should always check with the appropriate local authority for definitive speed limit recommendations.

 

Maximum Posted Speed Limits By State (Chart)

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 70-75 65 70 65
California 55 55-65 55 55-65
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 75-80 70 70
Illinois 70 55 65 55
Indiana 65-70 55 60 55
Iowa 70 55 70 65
Kansas 75 75 75 65
Kentucky 65-70 65 65 55
Louisiana 75 70 70 65
Maine 75 75 75 60
Maryland 70 70 70 55
Massachusetts 65 65 65 55
Michigan 65-70 70 70 55
Minnesota 70 65 65 60
Mississippi 70 70 70 65
Missouri 70 60 70 65
Montana 70-80 65 65-70 65-70
Nebraska 75 70 70 65
Nevada 80 65 70 70
New Hampshire 65-70 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 70 70 70
Oregon 65-70 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 75-85 75 75 75
Utah 75-80 65 75 65
Vermont 65 55 50 50
Virginia 70 70 65 55
Washington 70-75 60 60 60
West Virginia 70 55 65 55
Wisconsin 70 70 70 55
Wyoming 75-80 75-80 70 70

 

 

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April 10, 2020