State

Rural Interstates

Urban Interstates

Other Limited Access Roads

Other Roads

Effective Date of Limits on

Effective Date of Limits on

Cars
(mph)

Cars
(mph)

Cars
(mph)

Cars
(mph)

Rural
Interstates

Urban
Interstates

Other
Limited
Access
Roads

Other
Roads

Alabama

70

65

65

65

5/21/96

5/21/96

5/21/96

5/21/96

Alaska

65

55

65

55

1/15/88

no action

8/25/99

no action

Arizona

75

55

55

55

12/8/95

no action

no action

no action

Arkansas

70
trucks: 65

55

60

55

8/19/96

no action

8/19/96

no action

California

70
trucks: 55

65

70

65

1/8/96

1/8/96

1/8/96

no action

Colorado

75

65

65

65

6/24/96

6/24/96

6/24/96

no action

Connecticut

65

55

65

55

10/1/98

no action

10/1/98

no action

Delaware

65

55

65

55

1/17/96

no action

1/17/96

no action

District of Columbia

N/A

55

N/A

25

1974

no action

no action

no action

Florida

70

65

70

65

4/8/96

4/8/96

4/8/96

4/8/96

Georgia

70

65

65

65

7/1/96

7/1/96

7/1/96

7/1/96

Hawaii

60

50

45

45

1974

no action

no action

no action

Idaho

75
trucks: 65

75

65

65

5/1/96

5/1/96

5/1/96

5/1/96

Illinois

65
trucks: 55

55

65

55

1/25/96

no action

1/25/96

no action

Indiana

65
trucks: 60

55

55

55

6/1/87

no action

no action

no action

Iowa

65

55

65

55

5/12/87

no action

6/6/96

no action

Kansas

70

70

70

65

3/7/96

3/7/96

3/7/96

3/7/96

Kentucky

65

65

65

55

6/8/87

no action

no action

no action

Louisiana

70

70

70

65

8/15/97

8/15/97

8/15/97

8/15/97

Maine

65

65

65

60

6/12/87

6/12/87

6/12/87

6/12/87

Maryland

65

65

65

55

7/1/95

8/1/96

8/1/96

no action

Massachusetts

65

65

65

55

1/5/92

1/29/96

1/29/96

no action

Michigan

70
trucks: 55

65

70

55

8/1/96

8/1/96

8/1/96

no action

Minnesota

70

65

65

55

7/1/97

7/1/97

7/1/97

no action

Mississippi

70

70

70

65

2/29/96

2/29/96

2/29/96

2/29/96

Missouri

70

60

70

65

3/13/96

3/13/96

3/13/96

3/13/96

Montana

75
trucks: 65

65

day: 70 night: 65

day: 70 night: 65

5/28/99

5/28/99

5/28/99

5/28/99

Nebraska

75

65

65

60

9/1/96

9/1/96

9/1/96

9/1/96

Nevada

75

65

70

70

12/8/95

12/8/95

12/8/95

12/8/95

New Hampshire

65

65

55

55

4/16/87

5/29/96

no action

no action

New Jersey

65

55

65

55

1/19/98

no action

1/19/98

no action

New Mexico

75

75

65

55

5/15/96

no action

5/15/96

no action

New York

65

65

65

55

8/1/95

7/16/96

7/16/96

no action

North Carolina

70

70

70

55

8/5/96

8/5/96

10/1/96

no action

North Dakota

75

75

70

65

8/1/03

8/1/03

8/1/03

8/1/03

Ohio

65
trucks: 55; 65 on Ohio Turnpike

65

55

55

7/15/87

7/28/96

no action

no action

Oklahoma

75

70

70

70

8/29/96

8/29/96

8/29/96

8/29/96

Oregon

65
trucks: 55

55

55

55

6/27/87

no action

no action

no action

Pennsylvania

65

55

65

55

7/13/95

no action

5/10/96

no action

Rhode Island

65

55

55

55

5/12/96

no action

no action

no action

South Carolina

70

70

60

55

4/30/99

4/30/99

4/30/99

no action

South Dakota

75

75

65

65

4/1/96

4/1/96

4/1/96

4/1/96

Tennessee

70

70

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