Arizona Department of Transportation

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Common Acronyms/Abbreviations

You might hear the acronyms and abbreviations noted below as we share project information with news media and the public. If you have questions or would like clarification about other terminology, please let us know!

AA - aesthetic area

AADT - annual average daily traffic

AASHTO - American Association of State Highway and Transportation Officials

ABC - accelerated bridge construction

AC - asphaltic concrete

AC - alternating current

ADA - Americans with Disabilities Act

ADEQ - Arizona Department of Environmental Quality

ADOT - Arizona Department of Transportation

AFNM - Agua Fria National Monument

AGFD - Arizona Game and Fish Department

AR - asphalt rubber

AR-ACFC - asphalt rubber - asphaltic concrete friction course

ASLD - Arizona State Land Department

AT&T - American Telephone and Telegraph Company


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