Optimal design of ride-pooling as on-demand feeder services

Wenbo Fan, Weihua Gu, Meng Xu

Research output: Journal article publicationJournal articleAcademic researchpeer-review

Abstract

The technology-enabled ride-pooling (RP) is designed as an on-demand feeder service to connect remote areas to transit terminals (or activity centers). We propose the so-called “hold-dispatch” operation strategy, which imposes a target number of shared rides (termed the ride-pooling size) for each vehicle to enhance RP's transportation efficiency. Analytical models are formulated at the planning level to estimate the costs of the RP operator and the patrons. Accordingly, the design problem is constructed to minimize the total system cost concerning the system layout (i.e., in terms of service zone partitioning), resource deployment (i.e., fleet size), and operational decisions (i.e., RP size). The proposed models admit spatial heterogeneity arising from the non-uniformity of demand distributions and service locations, and can furnish heterogeneous designs. Closed-form formulas for the optimal zoning and fleet size are developed, which unveil fundamental insights regarding the impacts of key operating factors (e.g., demand density and distance to the terminal). Extensive numerical experiments demonstrate (i) the effectiveness of heterogeneous service designs and (ii) the advantage of the proposed RP service with hold-dispatch strategy over alternative designs studied in the literature, i.e., RP with a “quick-dispatch” strategy and flexible-route transit, in a wide range of operating scenarios. These findings can assist transportation network companies and transit agencies in successfully integrating RP and transit services.

Original languageEnglish
Article number102964
JournalTransportation Research Part B: Methodological
Volume185
DOIs
Publication statusPublished - Jul 2024

Keywords

  • Feeder service
  • Heterogeneous design
  • On-demand mobility
  • Ride-pooling
  • Zoning

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Transportation

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