Research on intelligent road pricing system based on GPS/GIS integrated technology

Since the increasing of vehicle flow, manual or semiautomatic tolling mode has not meet the needs of vehicle operation to the charging managing system on speedways nowadays, which induced serious traffic congestion at the charging passageway and caused enormous economic loss. The construction of national fundamental geographic information system has achieved initial success at present, with the applications of GPS more and more popular, the vehicle navigation software developed more and more extensive, the intelligent transportation system is developing rapidly so that it is possible to establish the expressway intelligent road pricing system by using the integrated technology of GPS/GIS based on the achievements of above aspects. The configuration and the key techniques on the expressway intelligent road pricing system with GPS/GIS integrated technology are discussed and the simulations and validates to some arithmetic. Firstly, the speedway net database is designed that will fit to the road charging according to itself characteristics of intelligent traffic. Secondly, some issues are studied such as the establish of wide-area differential network, the composite positioning, the road matching technique, the road charging, the storage and query of vehicle track, and so on. Finally, the simulation and verification on the key techniques are realized in the expressway intelligent toll system by means of integration developing technology based on the platform software of MapInfo.