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Aeronautics division
In 1974, the Arizona Highway Department and the Arizona Aeronautics Department merged to become ADOT. Today our Aeronautics Group continues to serve airports statewide.
ADOT 45th anniversary logo
Since 1974, ADOT has combined functions once handled by the Arizona Highway Department, the motor vehicle services agency and the Arizona Aeronautics Department.
Workman on scaffold affixes letters spelling out Arizona Department of Transportation on the side of the Administration Building.
The big reorganization brought with it many new responsibilities for the department, including the addition of several new...
Cumulus clouds hang in a blue sky over lonely two lane road stretching towards mountains in the distance.
A holiday is coming up, but we have last "Where in AZ??" before you go on vacation this week!
Pickup truck drive down towards Winslow underpass.
Listing who received invitations and even how officials would obtain lumber to build a speaker stand made for page-one news back in 1936.
Archive photo of Navajo Bridge
It was 90 years ago that Arizona dedicated Navajo Bridge spanning the Colorado River at Marble Canyon.
 Grand Canyon National Park Airport  firefighters train on mock-ups of a variety of hazardous situations
The firefighters at Grand Canyon National Park Airport train hard to make sure they are ready for any emergency.
Twenty six year Adopt a Highway volunteer recognized by ADOT District Engineer, Adopt a Highway Program Manager and Communications Director
We love our longtime Adopt a HIghway volunteers and hope others will find inspiration in what motivates them, like this group from the Chinle Navajo Land Department.
Black truck silhouette shown going down hill on orange background
We're proud of our YouTube channel and excited that one video has now reached more than 250,000 views.
Cars on a two lane road with yellow wildflowers in the foreground and mountains in the background
It looks like summertime in Arizona in today's "Where in AZ??" photo.
Archive photo of Ligurta Underpass
The Ligurta Underpass is one of Arizona's best examples of clean design in a World War II-era rural bridge.
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Archive photo of helicoil traffic interchange
The Deck Park Tunnel has been a planned feature for Interstate 10 through Phoenix since the 1980s. But before that, concepts included something a little more interesting.

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