North Carolina State Highway and Public Works Commission (1940). North Carolina Primary Highway System (Map) (1940 ed.). 1:823,680. North Carolina State Highway and Public Works Commission.
North Carolina State Highway and Public Works Commission (1946). North Carolina Highway Map 1946 (Map) (1946 ed.). 1:1267200. Cartography by C.M. Sawyer. Raleigh: Bynum Publishing Company.
North Carolina State Highway and Public Works Commission (1948–1949). North Carolina Primary Highway System (Map) (1948–1949 ed.). 1:823,680. Cartography by C.M. Sawyer. Winston-Salem: Winston Printing Company.
North Carolina primary highway system (Map) (1951 ed.). Cartography by North Carolina State Highway and Public Works Commission. Winston-Salem, N.C.: Winston Ptg. Co. 1951.