Illinois State Route 59 is a north-south highway in Northwestern Will County. From Interstate 55 at Shorewood to Illinois State Route 126 at Plainfield, this use to be a alignment of Historical U.S. Rt. 66. IL St Rt 59 passes through the following towns in Will County. Shorewood
IL St Rt 59 is multi-plexed in Will County. U.S. Rt. 30, at Plainfield.