Transportation Department 351 E Page St Sycamore, IL 60178 Phone : (815) 895-4551 Business Category Port Authorities Illinois State Of--transportation Dept Of, Division Of Highways, Maintenance Yard Office, Stockton 600 N Simmons St Stockton, IL 61085 Phone : (815) 895-4551 Business Category Government Offices-State Transportation Services Local Passenger Transportation Government Offices State & Local Government Offices & Public Schools Illinois State Of--transportation Department, Division Of Highways, Maintenance Yards Office, Stcktn 600 N Simmons St Sycamore, IL 60178 Phone : (815) 895-4551 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools