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Modular vehicle routing for combined passenger and freight transport
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Transport planning.ORCID iD: 0000-0001-9447-2823
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Transport planning.ORCID iD: 0000-0002-4106-3126
KTH, School of Architecture and the Built Environment (ABE), Urban Planning and Environment, Geoinformatics.ORCID iD: 0000-0003-1164-8403
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Transport planning. Department of Transport and Planning, Delft University of Technology, Delft, Netherlands.ORCID iD: 0000-0002-4506-0459
2023 (English)In: Transportation Research Part A: Policy and Practice, ISSN 0965-8564, E-ISSN 1879-2375, Vol. 173, p. 103688-103688, article id 103688Article in journal (Refereed) Published
Abstract [en]

This study investigates the potential of modular vehicle concepts and consolidation to increasethe efficiency of urban freight and passenger transport. Modularity is achieved by connectingmultiple vehicles together to form a platoon. Consolidation is realized by integrating passengerand freight demand in the routing problem. Vehicles are specific for each demand type but canbe connected freely, allowing the transport of multiple demand types in the same platoon. Therouting problem formulation considers travel time costs, travel distance costs, fleet size costs,and unserved requests costs. The operations are modeled in a novel modular multi-purposepickup and delivery problem (MMP-PDP) which is solved using CPLEX and Adaptive LargeNeighborhood Search (ALNS). In an extensive scenario study, the potential of the modularvehicle type is explored for different spatial and temporal demand distributions. A parameterstudy on vehicle capacity, vehicle range and platoon cost saving is performed to assess theirinfluence on efficiency. The experiments indicate a cost saving of 48% due to modularity and anadditional 9% due to consolidation. The reduction mainly stems from reduced operating costsand reduced trip duration, while the same number of requests can be served in all cases. Emptyvehicle kilometers are reduced by more than 60% by consolidation and modularity. A large-scalecase study in Stockholm highlights the practical applicability of the modular transport system.The proposed model and optimization framework can be used by companies and policy makersto identify required fleet sizes, optimal vehicle routes and cost savings due to different typesof operation and vehicle technology

Place, publisher, year, edition, pages
Elsevier BV , 2023. Vol. 173, p. 103688-103688, article id 103688
Keywords [en]
Public transportation, Freight transportation, Modular vehicles, Heuristic optimization
National Category
Transport Systems and Logistics
Identifiers
URN: urn:nbn:se:kth:diva-328193DOI: 10.1016/j.tra.2023.103688ISI: 001053303900001Scopus ID: 2-s2.0-85154022246OAI: oai:DiVA.org:kth-328193DiVA, id: diva2:1762757
Funder
Integrated Transport Research Lab (ITRL)Vinnova, 2020-00565Swedish National Infrastructure for Computing (SNIC)
Note

QC 20230608

Available from: 2023-06-05 Created: 2023-06-05 Last updated: 2023-09-21Bibliographically approved

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Hatzenbühler, JonasJenelius, ErikGidofalvi, GyözöCats, Oded

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