A Combined Activity Nodes Choice and Trip-chain Based User Equilibrium Traffic Assignment Model

Chung Yung Wang*, Shou-Ren Hu, Chih Peng Chu

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

Analysis of traveler behaviors generally includes multiple activities en route among different origin and destination pairs, which are presented as trip chaining. These activities can be decomposed as a single trip into a chain of a primary activity and secondary activities. Because the sequence of different activities is associated with different travel cost during a trip-chain, and some of secondary activities are not necessary to go to the specific nodes to complete these activities. That is, the trip-chain based travelers' trip-chain route choice behaviors and secondary activity nodes choice should be considered simultaneously. In this study, a combined activity nodes choice and trip-chain based user equilibrium traffic assignment model is formulated. A new solution algorithm is also developed, and the model performance was verified using the modified UTown test network. The numerical analysis result has an implication for urban traffic management and sustainable mobility.

Original languageEnglish
Pages (from-to)2461-2472
Number of pages12
JournalTransportation Research Procedia
Volume25
DOIs
StatePublished - 1 Jan 2017

Keywords

  • route choice
  • secondary activity nodes choice
  • traffic assignment
  • trip-chain

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