Highway Information Services Division (December 31, 2005). Highway Location Reference. Maryland State Highway Administration. Retrieved January 6, 2017.
Georgia Department of Transportation (1996). Official Highway and Transportation Map(PDF) (Map) (1996–1997 ed.). Scale not given. Atlanta: Georgia Department of Transportation. Retrieved April 16, 2017.
Georgia Department of Transportation (1997). Official Highway and Transportation Map(PDF) (Map) (1997–1998 ed.). Scale not given. Atlanta: Georgia Department of Transportation. Retrieved April 16, 2017.
Georgia Department of Transportation (2004). Official Highway and Transportation Map(PDF) (Map) (2004–2005 ed.). Scale not given. Atlanta: Georgia Department of Transportation. Retrieved April 16, 2017.
Georgia Department of Transportation (2005). Official Highway and Transportation Map(PDF) (Map) (2005–2006 ed.). Scale not given. Atlanta: Georgia Department of Transportation. Retrieved April 16, 2017.
Georgia Department of Transportation (2003). Official Highway and Transportation Map(PDF) (Map) (2003–2004 ed.). Scale not given. Atlanta: Georgia Department of Transportation. Retrieved April 16, 2017.
State Highway Department of Georgia (January 1967). Official Highway Map(PDF) (Map). Scale not given. Atlanta: State Highway Department of Georgia. Retrieved April 16, 2017.
State Highway Department of Georgia (January 1968). Official Highway Map(PDF) (Map). Scale not given. Atlanta: State Highway Department of Georgia. Retrieved April 16, 2017.
State Highway Department of Georgia (January 1966). Official Highway Map(PDF) (Map). Scale not given. Atlanta: State Highway Department of Georgia. Retrieved April 16, 2017.
Highway Information Services Division (December 31, 2015). Highway Location Reference. Maryland State Highway Administration. Retrieved January 6, 2017.
Highway Information Services Division (December 31, 2005). Highway Location Reference. Maryland State Highway Administration. Retrieved January 6, 2017.