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At present, with the increasing complexity of traffic, the current traffic and communication system can not meet the requirements of remote and timely communication between vehicles, and reduce traffic safety. Therefore, based on the design of a embedded remote timely communication system based on ARM920T, introduced the system to achieve the function, use ARM920T chip as the core, to complete the data exchange using the communication management machine, combined with the embedded system platform to complete the system hardware design. The vehicle communication subsystem based on ARM920T carries out the vehicle route tracking, collision warning, status monitoring and historical track display and playback of vehicle through vehicle communication. The design of communication subsystem, subsystem for vehicle positioning system and vehicle scheduling system, construct the vehicle communication model, to achieve accurate vehicle remote communication, combined with the ant colony algorithm to solve the vehicle communication model. The experimental results show that the designed communication system not only has high communication accuracy, but also has low cost and good real-time performance.