A Multi-Standard Rail Transit Connection Optimization Problem: A Case in Wenzhou, China

With the further development of urbanization, the rail transit system with the integration of multiple modes is exerting more influence on regional development. “Four networks integration” will boost the sound and rapid development of regional economy. Wenzhou is an important city in Yangtze River Delta. In recent years, the government proposed to build a national central hub city. The promotion of “four networks integration” is particularly significant in this context. This paper analyzed the status of Wenzhou rail transit system, focusing on the comprehensive cohesion of region express rail and railway. Passenger flow characteristics, the distribution of lines and networks, and the train operation plan are researched at the beginning of the paper. In order to improve the connection of the first and last train of different standard rail transit systems, several optimization schemes for the first and last trains were proposed. We analyzed the necessity and feasibility of the interconnection between the national railway and the region express rail. The conclusion in this paper will be an important reference for the connection optimization of Wenzhou multi-system rail transit system. The evaluation index system is also valuable for the implementation of similar systems.