EURO 2024 Copenhagen
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2805. Optimizing City Logistics: Assessing the Efficiency of Integrated Water- and Land-based Transportation Systems

Invited abstract in session TB-24: Sustainable Logistics, stream Sustainable Supply Chains.

Tuesday, 10:30-12:00
Room: 83 (building: 116)

Authors (first author is the speaker)

1. Cigdem Karademir
Delft University of Technology
2. Breno Alves Beirigo
Industrial Engineering and Business Information Systems, University of Twente
3. Bilge Atasoy
Maritime and Transport Technology, Delft University of Technology

Abstract

This study explores the efficiency of integrated water- and land-based transportation (IWLT) systems in addressing the needs of growing urban populations. This has become more challenging under the regulations limiting the sizes and the reach of freight vehicles in cities to improve mobility and reduce carbon footprint. In the proposed systems, vessels can provide flexible and efficient means of transporting goods to supply light electric freight vehicles in the cities. The cost of an IWLT system depends on the design of transshipment facilities, where goods are transferred from the water to the road network. Besides allocating resources in these facilities, this study also examines flexible IWLT systems using public spaces as on-demand meeting points like parking areas and public transportation stops. Such systems introduce more complexity for the logistics services due to the interdependence between interacting vehicles requiring synchronization. We develop a decomposition model to formulate the optimization problems at both networks as well as at transshipment points under the real time resource capacities. Experiments on the benchmark instances show that on average, flexible IWLT services provides a savings of 5% in terms of total travelled distances, 10% less on the roads with fewer vehicles and 30% more over waters, compared to the dedicated systems. Moreover, we assess these systems based on a case study we designed for a delivery service in Amsterdam, the Netherlands.

Keywords

Status: accepted

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