Method for arranging large station express line based on identification of subway service capability bottleneck section

Abstract

The invention discloses a method for arranging a large station express line based on identification of a subway service capacity bottleneck section. The method includes the steps of firstly, judging asubway service capacity bottleneck section, and under a certain service level condition, measuring the subway transportation capacity and section passenger flow volume, and taking a ratio of the section passenger flow volume to the transportation capacity as a judgment criterion for the subway service capacity bottleneck section; secondly, taking a subway station as an alternative stop for a ground bus large station express line; and thirdly, considering the constraints of the number of stations, the length of the line and the passenger carrying capacity, determining a stop of the ground buslarge station express line service by using a genetic algorithm, so that the average passenger flow section saturation in the subway service capacity bottleneck section is the smallest. The establishment of the ground bus large station express line is a strategy for regulating the supply and demand status of the subway service capacity bottleneck section. The method of the invention can effectively share the passenger flow in the subway service capacity bottleneck section and alleviate the contradiction between supply and demand in the subway service capacity bottleneck section.

Description

technical field [0001] The invention relates to the technical field of urban public transportation planning, in particular to a large station express line layout method based on the identification of the bottleneck section of subway service capacity. Background technique [0002] With the acceleration of my country's urbanization process, the urban population and jobs have increased rapidly, and the traffic volume has also increased significantly. The subway has the advantages of fast speed, large capacity, punctuality, and reliability. It is increasingly favored by major cities and has become the preferred mode of public transportation for urban residents. However, with the continuous expansion of city scale and travel demand, in the process of subway operation, there is a problem that the passenger flow of certain line sections is too large during peak hours, and the transportation capacity of the subway network cannot meet the passenger flow demand, resulting in the forma...

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Problems solved by technology

At present, there is still a lack of effective methods to relieve the oversa

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