Abstract :
The Hanshin Expressway Public Corporation, Osaka, Japan has been operating its traffic control system since the beginning of EXPO ´70, that is, March 15, 1970 on its entire expressway systems in Osaka and Kobe. The total length of the Hanshin Expressway is now 79.6 KM and is expected to become 128 KM by 1975. This report presents some features of the control system with emphasis on its hardware system. This system at present has a digital computer, FACOM 270-30, with 65 KW core memory, various peripherals, more than 200 detectors, more than 70 variable information indication devices along the expressway and TV monitoring systems. The control system on Hanshin Expressway is designed to permit future expansions and modifications.
