Arizona Department of Transportation (December 31, 2012). "2012 ADOT Highway Log"(PDF). Phoenix: Arizona Department of Transportation. pp. 707, 710. Retrieved May 17, 2015.
ADOT GIS Database Used for locating the mile marker numbers in rural areas.
azlibrary.gov
azmemory.azlibrary.gov
Arizona State Highway Department and United States Public Roads Administration (June 1939). "History of the Arizona State Highway Department"(PDF). Retrieved May 18, 2023 – via Arizona Memory Project.
National Map Company (1927). Sectional Paved Road Map (Map). Scale not given. Indianapolis: National Map Company. pp. 22 & 23. Retrieved April 1, 2015 – via David Rumsey Map Collection.
National Map Company (1927). Sectional Paved Road Map (Map). Scale not given. Indianapolis: National Map Company. pp. 24 & 25. Retrieved April 1, 2015 – via David Rumsey Map Collection.