Traffic simulation and forecasting system in Beijing

Transport system is a time-varying,huge and complex system.In order to have the traffic management department make pre-appropriate traffic management measures to adjust the traffic management control program,and release travel information to travelers,to provide optimal path options to ensure that the transport system operates efficiently and safely,we have to monitor the changing of the state of road traffic and to accurately evaluate the state of the traffic,then to predict the future state of traffic.This paper represents the construction of the road traffic flow simulation including the logical structure and the physical structure,and introduces the system functions of forecasting system in Beijing.