Transportation Department Highway 26 N Forreston, IL 61030 Phone : (815) 938-3654 Business Category Port Authorities Illinois State Of--department Of Transportation, Division Of Highways, Maintenance Yard Office, Forreston Forreston, IL 61030 Phone : (815) 938-3654 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools Illinois State Of--transportation Dept Of, Division Of Highways, Maintenance Yard Office, Forreston Forreston, IL 61030 Phone : (815) 938-3654 Business Category Government Offices-State Transportation Services Local Passenger Transportation Government Offices State & Local Government Offices & Public Schools