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Arizona Department of Transportation company history timeline

1912

When Arizona entered statehood in 1912, Lamar Cobb was named the first state engineer and the Arizona Highway Department was born.

1915

See Greenlee County Board of Supervisors Minutes, Book 2, August 16, 1915 page 280 and October 10, 1915 page 380.

1916

Greenlee County Board of Supervisors Minutes of March 6, 1916.

1917

29. “Arizona Gets the First Forest Road.” Tucson Citizen, February 20, 1917.

20. “Roads in Greenlee Best in the State, is Opinion.” The Copper Era and Morenci Leader, March 30, 1917.

1920

Greenlee County BOS Minutes of December 4, 1920, Book 3 page 167.

1929

The Navajo Bridge, which opened in 1929 and spans the Colorado River, is just part of Arizona's transportation history.

1942

14. “Delbert Potter, Greenlee Pioneer, Succumbs.” Arizona Republic, February 2, 1942.

1974

In 1974, the Arizona Department of Transportation was created, replacing the Arizona Highway Department.

1978

And in 1978, a record number of miles in Arizona's interstate system were opened to traffic, as major portions of Interstate 8, Interstate 10, Interstate 17 and Interstate 19 were completed.

1980

Greenlee County Board of Supervisors Minutes of October 24, 1980, Book 8 page 480.

2020

According to available information, 99% of projects in 2020 had no reported payment incidents.

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Founded
1912
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Headquarters
Phoenix, AZ
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Zippia gives an in-depth look into the details of Arizona Department of Transportation, including salaries, political affiliations, employee data, and more, in order to inform job seekers about Arizona Department of Transportation. The employee data is based on information from people who have self-reported their past or current employments at Arizona Department of Transportation. The data on this page is also based on data sources collected from public and open data sources on the Internet and other locations, as well as proprietary data we licensed from other companies. Sources of data may include, but are not limited to, the BLS, company filings, estimates based on those filings, H1B filings, and other public and private datasets. While we have made attempts to ensure that the information displayed are correct, Zippia is not responsible for any errors or omissions or for the results obtained from the use of this information. None of the information on this page has been provided or approved by Arizona Department of Transportation. The data presented on this page does not represent the view of Arizona Department of Transportation and its employees or that of Zippia.

Arizona Department of Transportation may also be known as or be related to ADOT, Aeronautics Transportation Dir, Arizona Department Of Transportation and Arizona Department of Transportation.