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2600. Integrated Planning of Train Path and Rolling Stock Assignment in Railway Freight Transportation
Invited abstract in session TB-58: Public Transport, stream VeRoLog - Vehicle Routing and Logistics.
Tuesday, 10:30-12:00Room: S07 (building: 101)
Authors (first author is the speaker)
| 1. | Louis Fourcade
|
| emse | |
| 2. | Stéphane DAUZERE-PERES
|
| Manufacturing Sciences and Logistics, Ecole des Mines de Saint-Etienne - LIMOS |
Abstract
The optimal use of critical resources, particularly train paths and rolling stock, plays a pivotal role in enhancing the operational efficiency and cost reduction of railway freight companies. Determining the right timetables for train paths is essential when integrating the selection of train paths and the assignment of the rolling stock. In this research, we explore heuristic approaches for this integrated problem where practical operational constraints such as maximum load, maximum weight, delivery time and freight car shunting in classification yards are taken into account. We propose an Adaptative Large Neighborhood Search (ALNS) heuristic based on a Pickup and Delivery Problem with Time Windows and Transfers (PDPTWT) to define the train path catalog that is required for the routing decisions of the rolling stock.
A column generation approach is then used for the assignment of individual demands to train paths. Real-world data on the French railway network is used to validate the proposed approach, and good solutions are obtained in reasonable computational times. Our integrated approach is also compared with a sequential approach.
Keywords
- Railway Applications
- Timetabling
- Vehicle Routing
Status: accepted
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