Transportation Department 33251 1525 North Ave Spring Valley, IL 61362 Phone : (815) 894-2800 Business Category Port Authorities Illinois State Of--department Of Transportation, Division Of Highways 1525 N Ave Spring Valley, IL 61362 Phone : (815) 894-2800 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools Illinois State Of--transportation Dept Of, Division Of Highways, Maintenance Yard, Spring Valley Ladd, IL 61329 Phone : (815) 894-2800 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools