Illinois State Route 136 is a short east-west highway in Western Whiteside County. This is a countiued portion of Iowa State Route 136 from the Illinois/Iowa State Line to U.S. Rt. 30, about 3 miles east of the state line. IL St Rt 136 passes through the following town in Whiteside County. Fulton
IL St Rt 136 is not multi-plexed in Whiteside County. IL St Rt 136 intersects the following highways in Whiteside County. U.S. Rt. 30, near Fulton.