The intelligent city traffic signal control system is used for city roads traffic control and management , realizing the intelligent control of traffic signal, and is of great use for expedite traffic of the city roads. Expect for realizing the basic functions of other city traffic signal control systems, with the F-V-Webster and B·M·Cobbe' theory, fuzzy control theory and two-way control theory, this intelligent traffic signal control system of city roads develops the new functions such as optimizat...