Ohio Turnpike Commission (n.d.). "Interchanges". Ohio Turnpike Commission. Archived from the original on August 17, 2011. Retrieved August 7, 2011. Ohio Turnpike Commission & Travel Boards (2012). Ohio Turnpike Map & Lodging Guide (Map). Berea: Ohio Turnpike Commission.
Ohio Turnpike Commission (n.d.). "Service Plazas". Ohio Turnpike Commission. Archived from the original on October 6, 2012. Retrieved October 20, 2012.
state.oh.us
dot.state.oh.us
Division of Planning Office of Technical Services (July 16, 2013). "Destape files". Ohio Department of Transportation. Retrieved March 30, 2014.
web.archive.org
Ohio Turnpike Commission (n.d.). "Interchanges". Ohio Turnpike Commission. Archived from the original on August 17, 2011. Retrieved August 7, 2011. Ohio Turnpike Commission & Travel Boards (2012). Ohio Turnpike Map & Lodging Guide (Map). Berea: Ohio Turnpike Commission.
Ohio Turnpike Commission (n.d.). "Service Plazas". Ohio Turnpike Commission. Archived from the original on October 6, 2012. Retrieved October 20, 2012.