State Transportation Department websites give you access to the resources and tools used in your state for things like street and traffic management, road and bridge repair, driver and pedestrian safety, and vehicle registration and safety requirements. Follow the links to find the department in your state.

States Beginning with the Letter

- A through D
- F through I
- K through M
- N through O
- P through T
- U through W

A through D

- Alabama Department of Transportation
- Alaska Department of Transportation
- Arizona Department of Transportation
- Arkansas Highway and Transportation Department (AHTD)
- California Department of Transportation
- Colorado Department of Transportation
- Connecticut Department of Transportation
- Delaware Department of Transportation
- District of Columbia Department of Transportation

F through I

- Florida Department of Transportation
- Georgia Department of Transportation
- Hawaii Department of Transportation
- Idaho Transportation Department
- Illinois Department of Transportation
- Indiana Department of Transportation
- Iowa Department of Transportation

K through M

- Kansas Department of Transportation
- Kentucky Transportation Cabinet
- Louisiana Department of Transportation & Development
- Maine Department of Transportation
- Maryland Department of Transportation
- Massachusetts Executive Office of Transportation and Construction
- Michigan Department of Transportation
- Minnesota Department of Transportation
- Mississippi Department of Transportation
- Missouri Department of Transportation
- Montana Department of Transportation

N through O

- Nebraska Department of Roads
- Nevada Department of Transportation
- New Hampshire Department of Transportation
- New Jersey Department of Transportation
- New Mexico Highway and Transportation Department
- New York State Department of Transportation
- North Carolina Department of Transportation
- North Dakota Department of Transportation
- Ohio Department of Transportation
- Oklahoma Department of Transportation
- Oregon Department of Transportation

P through T

- Pennsylvania Department of Transportation
- Rhode Island Department of Transportation
- South Carolina Department of Transportation
- South Dakota Department of Transportation
- Tennessee Department of Transportation
- Texas Department of Transportation

U through W

- Utah Department of Transportation
- Vermont Agency of Transportation
- Virginia Department of Transportation
- Washington Department of Transportation
- West Virginia Department of Transportation
- Wisconsin Department of Transportation
- Wyoming Department of Transportation