Illinois State Route 59 is a north-south highway in Western Du Page County. This is one of the busiest traveled highways in the county. IL St Rt 59 passes through the following towns in Du Page County. Aurora
IL St Rt 59 is not multi-plexed in Du Page County. IL St Rt 59 intersects the following highways in Du Page County. U.S. Rt. 34, at Naperville. Interstate 88, (Reagan Tollway) at Naperville.