The report describes the development, calibration and validation of the network simulation model UTCS-1, designed to serve as a mechanism for evaluating alternative traffic network control strategies. The UTCS-1 model is programmed in FORTRAN IV and incorporates the following major features: (a) Stochastic simulation of individual vehicles by type, using a simplified car-following model with time-scanning periods of one second; (b) capability of representing a network of, at least, 100 nodes; (c) a complete set of measures of effectiveness of the traffic system in the output, (d) detailed treatment of pedestrian/vehicle interaction, bus traffic and intra-link friction such as illegal parking and taxicab stoppages; (e) simulation of electronic surveillance systems; and (f) replication of all forms of traffic controls including real-time dynamic signal control systems. (Author)


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