Research Center

The Research Center is dedicated to inquiry and innovation at the Arizona Department of Transportation. The 2022 Research Center Program Manual describes the center’s products and processes.

Research Program

Research Center studies deliver information that can be applied to improve ADOT processes and products. Research studies address the full range of topics of interest to the department.

Product Evaluation Program

The Product Evaluation Program administers the evaluation of products used on ADOT’s construction projects and maintains the Approved Products List (APL).

Contact Us


Please Note:  The ADOT Library is closed. Reports published by ADOT and other Arizona agencies, both print and digital versions, are housed at the State of Arizona Library located at 1901 W. Madison Street, Phoenix, and

In compliance with Arizona Revised Statute 41-151.08, ADOT staff are responsible for submitting completed official reports, public documents, and other publications to the State of Arizona Library: a digital version to [email protected], and two print copies through interoffice mail addressed to Secretary of State, Arizona Research Library, Attention: State Documents Librarian.