"[Arkansas] State Highways 2009 (Database)." April 2010. AHTD: Planning and Research Division. Database.Archived July 7, 2011, at the Wayback Machine Retrieved March 17, 2011.
"[Arkansas] State Highways 2009 (Database)." April 2010. AHTD: Planning and Research Division. Database.Archived July 7, 2011, at the Wayback Machine Retrieved March 17, 2011.