VRPSTW-PL instances

Our benchmark problem instances for the vehicle routing problem with picking, loading, and soft time windows (VRPSTW-PL) can be downloaded as a zip archive here. A description of all files in the zip archive is provided in the online appendix of our reserach paper Branch-and-price approaches for real-time vehicle routing with picking, loading, and soft time windows (Wölck & Meisel, 2020).