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| 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 | 65 | 65 | 65 | 12/8/95 | no action | no action | no action |
| Arkansas | 70 | 55 | 60 | 55 | 8/19/96 | no action | 9/15/2008 | no action |
| California | 70 trucks: 55 |
65 trucks: 55 |
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 | no action | no action | no action | no action |
| Florida | 70 | 65 | 70 | 65 | 4/8/96 | 4/8/96 | 4/8/96 | 4/8/96 |
| 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 | |
| Georgia | 70 | 65 | 65 | 65 | 7/1/96 | 7/1/96 | 7/1/96 | 7/1/96 |
| Hawaii | 60 | 50 | 45 | 45 | no action | 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 | 70 trucks: 65 |
55 | 60 | 55 | 7/1/05 | no action | 7/1/05 | no action |
| Iowa | 70 | 55 | 70 | 55 | 7/1/05 | no action | 7/1/05 | no action |
| Kansas | 70 | 70 | 70 | 65 | 3/7/96 | 3/7/96 | 3/7/96 | 3/7/96 |
| Kentucky | 65; 70 on specified segments of road | 65 | 65 | 55 | no action | 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 |
| 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 | |
| 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 (60 trucks); < 70 (55 trucks) |
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 |
| 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 | |
| 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 | 65 | 55 | 55 | 7/1/09 | 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 |
| 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 | |
| South Carolina | 70 | 70 | 60 | 55 | 4/30/99 | 4/30/99 | 4/30/99 | no action |
| South Dakota | 75 | 75 | 70 | 70 | 4/1/96 | 4/1/96 | 7/1/05 | 7/1/05 |
| Tennessee | 70 | 70 | 70 | 65 | 3/25/98 | 5/15/01 | 5/15/01 | 5/15/01 |
| Texas | day: 75 trucks (day): 70 night (cars & trucks): 65 80 on specified segments of road |
day: 70 night: 65 |
day: 75 night: 65 |
day: 60 night: 55 |
9/1/05 | 9/1/99 | 9/1/99 | 9/1/99 |
| Utah | 75; 80 on specified segments of road | 65 | 75 | 65 | 5/1/96 | 5/1/96 | 5/1/96 | 5/1/96 |
| Vermont | 65 | 55 | 50 | 50 | 4/21/87 | no action | no action | no action |
| Virginia | 701 | 701 | 65 | 55 | 7/1/10 | 7/1/10 | 2/13/96 | no action |
| Washington | 70 trucks: 60 |
60 | 60 | 60 | 3/15/96 | 3/15/96 | 3/15/96 | 3/15/96 |
| West Virginia | 70 | 55 | 65 | 55 | 8/25/97 | no action | 8/25/97 | no action |
| Wisconsin | 65 | 65 | 65 | 55 | 6/17/87 | 8/1/96 | 8/1/96 | no action |
| Wyoming | 75 | 60 | 65 | 65 | 12/8/95 | 12/8/95 | 12/8/95 | 12/8/95 |
Laws current as of June 2010
Some info provided by Insurance Institute for Highway Safety
