The area-wide real-time traffic control system (ARTC): a distributed computing system. - Junguk L. Kim; Jyh-Charn Liu; Prabaharan I. Swarnam; Taesoon Park; Ying Hao; Thomas Urbanik (COMPSAC, 1992)

The area-wide real-time traffic control (ARTC) system: Fault-tolerant design and its analysis. - Jyh-Charn Liu; Junguk L. Kim; Yi-Long Chen; Ying Hao; Thomas Urbanik (ISADS, 1993)

Real-time optimization at diamond interchanges. - Steven Venglar; Thomas Urbanik; Jyh-Charn Liu (IEEE Real Time Technology and Applications Symposium, 1995)