Travel mode choice behavior is very important for traffic demand forecasting study.With Shanghai travelers' stated preference data,the choice behaviors of three transportation modes including car,railway and bicycle were analyzed and modeled.The transportation share proportion was analysed,in which six scenarios were presented,with each scenario including different combination of railway fares,car travel time and costs.A transportation choice probability model,considering traveler individual attributes,travel time and cost was proposed with the use of discrete choice in micro econometrics modeling method.Some policies and measures were put forward for transportation planning and management.