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Mathematical Problems in Engineering
Volume 2016 (2016), Article ID 6820394, 9 pages
http://dx.doi.org/10.1155/2016/6820394
Research Article

The Analysis and Calculation Method of Urban Rail Transit Carrying Capacity Based on Express-Slow Mode

1College of Urban Rail Transportation, Shanghai University of Engineering Science, Shanghai 201620, China
2College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
3College of Transportation Engineering, Tongji University, Shanghai 201804, China
4College of Transportation, Beijing Jiaotong University, Beijing 100001, China

Received 26 April 2016; Revised 27 July 2016; Accepted 3 August 2016

Academic Editor: Chunlin Chen

Copyright © 2016 Xiaobing Ding et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Urban railway transport that connects suburbs and city areas is characterized by uneven temporal and spatial distribution in terms of passenger flow and underutilized carrying capacity. This paper aims to develop methodologies to measure the carrying capacity of the urban railway by introducing a concept of the express-slow mode. We first explore factors influencing the carrying capacity under the express-slow mode and the interactive relationships among these factors. Then we establish seven different scenarios to measure the carrying capacity by considering the ratio of the number of the express trains and the slow trains, the station where overtaking takes place, and the number of overtaking maneuvers. Taking Shanghai Metro Line 16 as an empirical study, the proposed methods to measure the carrying capacity under different express-slow mode are proved to be valid. This paper contributes to the literature by remodifying the traditional methods to measure the carrying capacity when different express-slow modes are applied to improve the carrying capacity of the suburban railway.