Article

Journal of Systems Science and Systems Engineering

, Volume 20, Issue 2, pp 155-172

Urban transit assignment model based on augmented network with in-vehicle congestion and transfer congestion

  • Bingfeng SiAffiliated withMOE Key Laboratory for Urban Transportation Complex Systems Theory and Technology, Beijing Jiaotong University Email author 
  • , Ming ZhongAffiliated withDepartment of Civil Engineering, University of New Brunswick
  • , Xiaobao YangAffiliated withMOE Key Laboratory for Urban Transportation Complex Systems Theory and Technology, Beijing Jiaotong University
  • , Ziyou GaoAffiliated withMOE Key Laboratory for Urban Transportation Complex Systems Theory and Technology, Beijing Jiaotong University

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Abstract

This paper presents an augmented network model to represent urban transit system. Through such network model, the urban transit assignment problem can be easily modeled like a generalized traffic network. Simultaneously, the feasible route in such augmented transit network is then defined in accordance with the passengers’ behaviors. The passengers’ travel costs including walking time, waiting time, in-vehicle time and transfer time are formulated while the congestions at stations and the congestions in transit vehicles are all taken into account. On the base of these, an equilibrium model for urban transit assignment problem is presented and an improved shortest path method based algorithm is also proposed to solve it. Finally, a numerical example is provided to illustrate our approach.

Keywords

Transit assignment augmented network congestion transfer algorithm