Copyright 1919, Arizona Highway Department (via Arizona State Library)
Copyright 1919, Arizona Highway Department (via Arizona State Library)

Several proposals for a state highway system were put into place before the first defined system in 1926. This is a 1919 proposal for the state highway system. Notice that what became US 66 did not exist east of Holbrook toward Lupton. Courtesy of the Arizona State Library and Archives.

Copyright 1921, Arizona Highway Department (via Arizona State Library)
Copyright 1921, Arizona Highway Department (via Arizona State Library)

This was a proposed 7% Federal highway system. Notice the limited primary highway network, with most of the state routes designated as secondary highways. Courtesy of the Arizona State Library and Archives.

Copyright 1926, Arizona Highway Department (via Arizona State Library)
Copyright 1926, Arizona Highway Department (via Arizona State Library)

This map is unique as it has the state highway system as it was first defined. The route numbers shown on this map were all changed in October 1926. Map courtesy of the Arizona State Library and Archives map room.

Copyright 1927, Arizona Highway Department (via Arizona State Library)
Copyright 1927, Arizona Highway Department (via Arizona State Library)

This map reflects the changes made in October 1926, the largest being the renumbering of US 60 as US 66. Map courtesy of the Arizona State Library and Archives map room.

Copyright
Copyright 1928, Arizona Highway Department (via Arizona State Library)

1928 official Arizona Highway Department map. Map courtesy of the Arizona State Library and Archives.

Copyright
Copyright 1929, Arizona Highway Department (via Arizona State Library)

1929 official Arizona Highway Department map. Map courtesy of the Arizona State Library and Archives.

Copyright 1930, Arizona Highway Department (via Arizona State Library)
Copyright 1930, Arizona Highway Department (via Arizona State Library)

This 1930 map was included in Arizona Highways. Map courtesy of the Arizona State Library and Archives.

Copyright 1931, Arizona Highway Department (via Arizona State Library)
Copyright 1931, Arizona Highway Department (via Arizona State Library)

This 1931 map was included in Arizona Highways. Map courtesy of the Arizona State Library and Archives.

Copyright 1932, Arizona Highway Department (via Arizona State Library)
Copyright 1932, Arizona Highway Department (via Arizona State Library)

Map from the March 1932 edition of Arizona Highways. Map courtesy of the Arizona State Library and Archives.

Copyright 1934, Arizona Highway Department (via Arizona State Library)
Copyright 1934, Arizona Highway Department (via Arizona State Library)

1934 map from Arizona Highways. Map courtesy of the Arizona State Library and Archives.

Copyright 1935, Arizona Highway Department (via Arizona State Library)
Copyright 1935, Arizona Highway Department (via Arizona State Library)

1935 Arizona Highway Department official map. Map courtesy of the Arizona State Library and Archives.

Copyright 1939, Arizona Highway Department
Copyright 1939, Arizona Highway Department

1939 map included in Arizona Highways. Map courtesy of the Phoenix Public Library.

Copyright 1940, Arizona Highway Department (via Arizona State Library)
Copyright 1940, Arizona Highway Department (via Arizona State Library)

This 1940 map in Arizona Highways. Map courtesy of the Phoenix Public Library.

Copyright 1941, Arizona Highway Department (via Arizona State Library)
Copyright 1941, Arizona Highway Department (via Arizona State Library)

1941 map printed in Arizona Highways. Map courtesy of the Phoenix Public Library.

Copyright 1942, Arizona Highway Department (via Arizona State Library)
Copyright 1942, Arizona Highway Department (via Arizona State Library)

1942 map printed in Arizona Highways. Map courtesy of the Phoenix Public Library.

Copyright 1943, Arizona Highway Department
Copyright 1943, Arizona Highway Department

This 1943 map was included in Arizona Highways.

Copyright 1946, Arizona Highway Department (via Arizona State Library)
Copyright 1946, Arizona Highway Department (via Arizona State Library)

1946 Arizona Highway Department official map. Map courtesy of the Arizona State Library and Archives.

Copyright 1951, H.M. Goshua
Copyright 1951, H.M. Goshua

This 1951 map is taken from a H.M. Goshua Arizona/New Mexico Map, distributed by Phillips 66.

Copyright 1958, Rand McNally
Copyright 1958, Rand McNally

1958 Arizona Official Highway Map, with cartography by Rand McNally.

Copyright 1963, Arizona Highway Department and Rand McNally
Copyright 1963, Arizona Highway Department and Rand McNally

1963 Arizona Official Highway Map, with cartography by Rand McNally. This was the last edition that the state used Rand McNally cartography – in 1964, Arizona started producing their own maps for public distribution.

Copyright 1971, Arizona Highway Department
Copyright 1971, Arizona Highway Department

1971 Arizona Official Highway Map, with cartography by the Arizona Department of Transportation.