Transportation Planning and Policy Division (March 22, 2016) [January 2, 2007]. General Highway Map, Crittenden County, Arkansas(PDF) (Map) (Revised ed.). 1:62,500. Little Rock: Arkansas State Highway and Transportation Department. OCLC910967299. Retrieved November 16, 2022.
Transportation Planning and Policy Division (April 1, 2022) [May 3, 2006]. General Highway Map, Mississippi County, Arkansas(PDF) (Map) (Revised ed.). 1:62,500. Little Rock: Arkansas Department of Transportation. OCLC914805629. Retrieved November 16, 2022.
ardot.gov
ardot.gov
Arkansas State Highway and Transportation Department (2015). "Arkansas Road Log Database"(MDB). Arkansas State Highway and Transportation Department. Retrieved March 27, 2016.
Transportation Planning and Policy Division (December 2016). Map of Marion, Sunset, and West Memphis, Crittenden County, Arkansas(PDF) (Map). 1:12,000. Little Rock: Arkansas State Highway and Transportation Department. §§ A5, B5, C5-C6, D6, E7-J7. Retrieved August 20, 2022.
Bennett, Scott E. (June 19, 2014). "Minute Order 2014-071"(PDF). Administrative Circular 2014-08. Little Rock: Arkansas State Highway and Transportation Department. pp. 12–14. Retrieved November 27, 2022.
gis.ardot.gov
System Information & Research Division (2021). Annual Average Daily Traffic Estimates (Map). Arkansas Department of Transportation. Retrieved November 19, 2022.
Arkansas State Highway Department (April 1, 1926). State of Arkansas Showing System of State Highways(TIF) (Map). 1:500,000. Little Rock: Arkansas State Highway Commission. Retrieved July 20, 2022 – via Arkansas GIS Office.
Arkansas State Highway Commission (July 1951). Official Highway Map of Arkansas(TIF) (Map). Little Rock: Arkansas State Highway Commission. § B9. Retrieved November 27, 2022 – via Arkansas GIS Office.
Arkansas State Highway Commission (1952). Official Highway Map of Arkansas(TIF) (Map). 1:823,680. Little Rock: Arkansas State Highway Commission. § C12. Retrieved November 27, 2022 – via Arkansas GIS Office.
Arkansas State Highway Commission (1953). Official Highway Map of Arkansas(TIF) (Map). 1:823,680. Little Rock: Arkansas State Highway Commission. Retrieved November 27, 2022 – via Arkansas GIS Office.
American Association of State Highway and Transportation Officials (2019). Guidelines for Geometric Design of Low-Volume Roads (2nd ed.). Washington, DC: American Association of State Highway and Transportation Officials. p. 2-8. ISBN978-1-56051-726-9. OCLC1140203768.
Transportation Planning and Policy Division (March 22, 2016) [January 2, 2007]. General Highway Map, Crittenden County, Arkansas(PDF) (Map) (Revised ed.). 1:62,500. Little Rock: Arkansas State Highway and Transportation Department. OCLC910967299. Retrieved November 16, 2022.
Transportation Planning and Policy Division (April 1, 2022) [May 3, 2006]. General Highway Map, Mississippi County, Arkansas(PDF) (Map) (Revised ed.). 1:62,500. Little Rock: Arkansas Department of Transportation. OCLC914805629. Retrieved November 16, 2022.