Arizona Department of Transportation

In Arizona, the Arizona Department of Transportation (ADOT) provides for an integrated and balanced state transportation system in the state.  ADOT is the transportation agency that is responsible for planning, building, and operating a complex highway system in addition to building and maintaining bridges and the Grand Canyon Airport.  ADOT also has the exclusive control and jurisdiction over state highways, state routes, state owned airports, and all state owned transportation systems or modes.

ADOT was established pursuant to A.R.S. § 28-331.  The director is responsible for the administration of ADOT.

ADOT has the following duties[i]:

  • to register motor vehicles, aircraft, and license drivers;
  • to collect revenues and enforce motor vehicle and aviation statutes;
  • to do multimodal state transportation planning;
  • to coordinate transportation planning and cooperate with local governments;
  • to establish an annually updated priority program of capital improvements for all transportation modes;
  • to design and construct transportation facilities in accordance with a priority plan;
  • to investigate on new transportation systems; and
  • to advise and cooperate with local governments in the development and operation of public transit systems.


Further, ADOT is arranged into the following divisions: motor vehicle division, transportation planning division, highways division, aeronautics division, public transit division, and administrative services division.

Among these divisions, the major component of ADOT is the motor vehicle division which provides title, registration, and driver license services to the general public throughout the state of Arizona.

Arizona Department of Transportation

[i] A.R.S. § 28-332.

Inside Arizona Department of Transportation