Traffic Signal Shop 500 S Independence Ave Rockford, IL 61102 Phone : (815) 987-5535 Business Category Government Offices-City Village & Twp Legislative Bodies Rockford City Of--public Works, Traffic Engineering Division, Signal Shop 500 S Independence Ave Rockford, IL 61102 Phone : (815) 987-5535 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools