Fleet size determination for a mixed private and pooled on-demand system with elastic demand

Jishnu Narayan*, Oded Cats, Niels van Oort, Serge Paul Hoogendoorn

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)
43 Downloads (Pure)


The recent emergence of innovative mobility solutions is changing the mobility landscape in urban areas. However, it remains unknown how the combined operation of private and pooled on-demand services affect service performance and the required dimensioning of the fleet size for such services. This study develops a model to determine the fleet size of an on-demand system offering private service and pooled service, where the demand for these services is an outcome of modal choices. We investigate the fleet size required when taking either the perspective of Transit Planning Authority (Agency) or Service Provider (Operator). The model is implemented for the network of Amsterdam North. Results show that the objectives of Agency and Operator yield different total fleet sizes with the Agency requiring a larger fleet than the Operator and that the optimal scenario for the Agency would be the one where only private on-demand service is offered.

Original languageEnglish
Pages (from-to)897-920
Number of pages24
JournalTransportmetrica A: Transport Science
Volume17 (2021)
Issue number4
Publication statusPublished - 2020


  • agent-based simulation
  • fleet size optimisation
  • On-demand
  • ride-sharing


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