Home Projects Southcentral District Projects I-19 Irvington Interchange Improvements Project Documents - I-19 Irvington Interchange Improvements Documents - I-19 Irvington Interchange Improvements Documents - I-19 Irvington Interchange Improvements Irvington Road Improvements (West of I-19) Traffic Interchange Configuration Landing Center Drive Improvements I-19 Improvements Bridge Configuration Irvington Road Improvements (East of I-19)