Abstract
This paper provides a case study of hub-and-spoke school bus transportation network design. The case study here utilizes a mathematical model that is the P-median optimization model to determine optimal hub locations. The P-median problem is a combinatorial optimization problem that includes many binary variables and constraints. The selected objective of the model is to minimize the total travel time satisfying other operational constraints. To elevate usability of decision making in the future, we implement the simulation model through the template model in spreadsheet platform. The developed model is used as a future reference to find operational directions of school bus managing policy and also tested on the case of Wonkwang University.
Highlights
The hub-and-spoke network consists of a set of fully interconnected facilities called hubs among a potential set of locations, and spokes that directly connect the hubs [1, 2, 3]
This paper provides a case study of hub-and-spoke school bus transportation network design
Hub-and-spoke network strategy is applied to the school bus transportation network design problem through a case study
Summary
The hub-and-spoke network consists of a set of fully interconnected facilities called hubs among a potential set of locations, and spokes that directly connect the hubs [1, 2, 3]. Hub-and-spoke network strategy is applied to the school bus transportation network design problem through a case study. The comprehensive review of this problem has been provided in the literature [14] Designing such a network is comprised of several sub-problems such as hub location problem, spoke allocation to designated hubs, and route planning between hubs and spokes. The P-median problem (PMP) model is used to design the hub-and-spoke school bus transportation network. This research aims to provide a hub-and-spoke school bus network design with various scenarios in real situation currently faced by the Wonkwang University, South Korea. The average commuting time from each region to the school is approximately one hour This fact means that the Wonkwang University has fairly wide geographic areas to cover and it makes operational planning and control more complicated.
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