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"Transit on I-90"(PDF). Jane Addams Memorial Tollway Rebuilding and Widening Project. Illinois State Toll Highway Authority. Retrieved September 19, 2014.
"New and Improved Interchanges"(PDF). Jane Addams Memorial Tollway Rebuilding and Widening Project. Illinois State Toll Highway Authority. Retrieved September 19, 2014.
Chicago Area Transportation Study. "System Facilities". Chicago Area Transportation Study. Archived from the original on June 18, 2007. Retrieved July 7, 2007.
Chicago Area Transportation Study. "System Facilities". Chicago Area Transportation Study. Archived from the original on June 18, 2007. Retrieved July 7, 2007.
Illinois Department of Transportation (2005). "Getting Around Illinois". Illinois Department of Transportation. Archived from the original on June 30, 2007. Retrieved July 7, 2007.