Table 3-7: Maximum Posted Speed Limits on Rural Interstates (miles per hour)
Another important variable for road users is the speed limit. Speed limits for trucks vary from state to state and often differ with limits set for passenger vehicles.
| State | Truck | Car |
|---|---|---|
| Alabama | 70 | 70 |
| Alaska | 65 | 65 |
| Arizona | 75 | 75 |
| Arkansas | 65 | 70 |
| California | 55 | 70 |
| Colorado | 75 | 75 |
| Connecticut | 65 | 65 |
| Delaware | 65 | 65 |
| District of Columbia1 | 55 | 55 |
| Florida | 70 | 70 |
| Georgia | 70 | 70 |
| Hawaii | 60 | 60 |
| Idaho | 65 | 75 |
| Illinois | 55 | 65 |
| Indiana | 60 | 65 |
| Iowa | 65 | 65 |
| Kansas | 70 | 70 |
| Kentucky | 65 | 65 |
| Louisiana | 70 | 70 |
| Maine | 65 | 65 |
| Maryland | 65 | 65 |
| Massachusetts | 65 | 65 |
| Michigan | 55 | 70 |
| Minnesota | 70 | 70 |
| Mississippi | 70 | 70 |
| Missouri | 70 | 70 |
| Montana | 65 | 75 |
| Nebraska | 75 | 75 |
| Nevada | 75 | 75 |
| New Hampshire | 65 | 65 |
| New Jersey | 65 | 65 |
| New Mexico | 75 | 75 |
| New York | 65 | 65 |
| North Carolina | 70 | 70 |
| North Dakota | 75 | 75 |
| Ohio | 55 | 65 |
| Oklahoma | 75 | 75 |
| Oregon | 55 | 65 |
| Pennsylvania | 65 | 65 |
| Rhode Island | 65 | 65 |
| South Carolina | 70 | 70 |
| South Dakota | 75 | 75 |
| Tennessee | 70 | 70 |
| Texas | 65 | 75 |
| Utah | 75 | 75 |
| Vermont | 65 | 65 |
| Virginia | 65 | 65 |
| Washington | 60 | 70 |
| West Virginia | 70 | 70 |
| Wisconsin | 65 | 65 |
| Wyoming | 75 | 75 |
1Urban Interstate.
Note: 55 miles per hour (mph) = 89 kilometers per hour (kph); 60 mph = 97 kph; 65 mph = 105 kph; 70 mph = 113 kph.
Source: Insurance Institute for Highway Safety, Maximum Posted Speed Limits for Passenger Vehicles as of September 2004, available at http://www.hwysafety.org/safety_facts/state_laws/speed_limit_laws.htm as of September 8, 2004.
