^ abcPlanning and Research Division (March 28, 2012). "Arkansas Road Log Database". Arkansas State Highway and Transportation Department. Archived from the original(MBD) on June 23, 2011. Retrieved April 13, 2012.
^Cite error: The named reference lon was invoked but never defined (see the help page).
^General Highway Map, Woodruff County, Arkansas(PDF) (Map). 1:62500. Cartography by Planning and Research Division. Arkansas State Highway and Transportation Department. September 29, 2000. Retrieved May 22, 2012.
^General Highway Map, Lonoke County, Arkansas(PDF) (Map). 1:62500. Cartography by Planning and Research Division. Arkansas State Highway and Transportation Department. December 15, 2007. Retrieved May 22, 2012.
^General Highway Map, Crittenden County, Arkansas(PDF) (Map). 1:62500. Cartography by Planning and Research Division. Arkansas State Highway and Transportation Department. January 2, 2007. Retrieved May 22, 2012.