State Highway 52 (abbreviated SH-52) is two once-connected highways in the U.S. state of Oklahoma. There are no lettered spur routes from either of them.
^Oklahoma Department of Transportation (2010–2011). Control Section Maps: McIntosh County(PDF) (Map) (2010–2011 ed.). Scale not given. Oklahoma City: Oklahoma Department of Transportation. Retrieved November 3, 2012.
^Oklahoma Department of Transportation (2010–2011). Control Section Maps: Okmulgee County(PDF) (Map) (2010–2011 ed.). Scale not given. Oklahoma City: Oklahoma Department of Transportation. Retrieved November 3, 2012.