Research Center

The Research Center is dedicated to inquiry and innovation at the Arizona Department of Transportation.


Projects administered by the Research Center focus on research that can be applied to improve ADOT processes and products. Research projects address the full range of topics of interest to the department.

Product Evaluation Program

The Approved Product List (APL) is updated every month. Changes to the APL must be approved by the ADOT Product Evaluation Committees: Materials Product Evaluation Committee (MatPEC) and Traffic Control Product Evaluation Committee (TCPEC).

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, and two print copies through interoffice mail addressed to Secretary of State, Arizona Research Library, Attention: State Documents Librarian.

The Arizona Ombudsman – Citizens Aide helps you resolve ongoing issues with State Agencies.

Civil Rights

Pursuant to Title VI of the Civil Rights Act of 1964, the Americans with Disabilities Act (ADA) and other nondiscrimination laws and authorities, ADOT does not discriminate on the basis of race, color, national origin, sex, age, or disability. Persons that require a reasonable accommodation based on language or disability should contact ADOT’s Civil Rights Office at Requests should be made as early as possible to ensure the State has an opportunity to address the accommodation.

De acuerdo con el Título VI de la Ley de Derechos Civiles de 1964, la Ley de Estadounidenses con Discapacidades (ADA por sus siglas en inglés) y otras normas y leyes antidiscriminatorias, el Departamento de Transporte de Arizona (ADOT) no discrimina por motivos de raza, color, origen nacional, sexo, edad o discapacidad. Las personas que requieran asistencia (dentro de lo razonable) ya sea por el idioma o discapacidad deben ponerse en contacto con la Oficina de Derechos Civiles de ADOT en Las solicitudes deben hacerse lo más antes posible para asegurar que el Estado tenga la oportunidad de hacer los arreglos necesarios.