Illinois State Route 73 is a north-south highway in Western Stephenson County. This runs from the Wisconsin/Illinois State Line, near Winslow, to the Stephenson/Carroll County Line, near Loran. IL St Rt 73 passes through the following towns in Stephenson County. Winslow Lena Pearl City IL St Rt 73 is not multi-plexed in Stephenson County. IL St Rt 73 intersects the following highway in Stephenson County. U.S. Rt. 20, near Lena.
