Missouri State Highway Commission (1928). Official Road Map of Missouri 1928(PDF) (Map). Missouri Highway Map. Jefferson City, MO. Kansas City inset. Retrieved August 13, 2023.
Missouri State Highway Commission (1957). Map of the Missouri State Highway System(PDF) (Map). Missouri Highway Map. Cartography by MO Division of Highway Planning and US Bureau of Public Roads. Jefferson City, MO. Kansas City - Independence Area inset. Retrieved August 13, 2023.
Missouri State Highway Commission (1980). Missouri 1980 Official Highway Map(PDF) (Map). Missouri Highway Map. Jefferson City, MO. Kansas City inset. Retrieved August 13, 2023.