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As the improvement of people’s living quality, the private car ownership rate has been increasing substantially every year, which leads to the problems of jam, insecurity and pollutions, and inconvenience for people’s life and transportation.An advanced, well served and high efficient toll system becomes significantly important in the construction of a freeway.Freeway network toll system mainly consists three parts: Toll collection system, image monitoring system, and network and communication system. The mode of Freeway toll system is enclosed. Sub-toll center, main lane toll station, ramp toll station, charging square and charging lane are set up on the whole line. The combined design of the Freeway toll system is based on the characters of security, reliability, practicability, compatibility and so on.Changsha-xiangtan west Freeway toll system, a second grade management system, consists of two main lane toll station and three ramp toll stations, in which changtan west sub-toll center and xueshi main line control center are set up together.The hardware of the system involves lane controller, fee monitor, multi-lane detector, emergency equipment and mobile toll system. This project design fee monitor set fees display, lane traffic lights, yellow flashing alarm, speech horn quotation at an organic whole, efficient display vehicles fees, traffic and alarm messages. The software of the system involves three parts: toll control system and the serve system, software of toll station and software of sub-toll station. The application software of Changsha-xiangtan west Freeway toll system involes: lane toll controller system, IC card management system, serve system, toll station reports management system, toll station lane surveillance system, sub-center reports management system and sub-center imagine management system.Lane toll controller system is the first processing state, in which the acquisition, process, control and storage of data will be finished.
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