Objective  In the context of station-city integration, the integrated high-speed rail hub is characterized by huge passenger flow and complex internal space, posing great challenges for the transfer connection between the hub and the urban transportation system. To avoid mismatch between the transport capacity of urban transit modes connected to the hub and the evacuation capacity of the hub space, it is necessary to carry out collaborative optimization from the two dimensions of transport capacity and flow line organization.

Method Combining the interrelationship between transfer volume and operation organization, a capacity coordination model is constructed with the goal of balancing the capacity matching degree of each urban transport mode. According to the coordinated transfer sharing rate, the SUE (stochastic user equilibrium) theory is used to assign flows to the 3D hub transfer network, and the flow line organization scheme is optimized.

Result & Conclusion The case of Shanghai Hongqiao Station shows certain differences in flow line organization demands before and after capacity coordination. Collaborative optimization of both provides a more comprehensive and scientific transfer connection scheme, thereby alleviating transfer passenger detention caused by transport capacity mismatch of urban transport modes or the insufficient throughput capacity of hub flow lines, improving transfer efficiency, and reducing operation and management pressure.