Route modelling for gritting vehicles A GIS-based approach for the Municipality of Rotterdam Rik de Kleijn Msc Thesis Date: July 2018 Supervisor TU Delft: Drs. Wilko Quak Responsible Professor TU Delft: Prof. Dr. Ir. Peter van Oosterom Supervisor Municipality of Rotterdam: Christian Veldhuis 2 Colophon GIMA MSc Thesis July 2018 This master thesis is commissioned by the University of Utrecht, University of Wageningen, University of Twente and the Delft University of Technology as part of the Geographical Information Management and Applications (GIMA) Master of Science. Supervisor TU Delft: Drs. Wilko Quak Responsible Professor TU Delft: Prof. Dr. Ir. Peter van Oosterom External Supervisor Municipality of Rotterdam: Christian Veldhuis Contact information Rik de Kleijn
[email protected] UU Student number: 3474445 ITC Student number: s6025862 3 Summary The municipality of Rotterdam is responsible for keeping local roads free from snow and ice to keep vehicles and pedestrians safe while travelling. This responsibility is primarily the prevention from roads becoming slippery, whereby specialized vehicles are being used for spreading salt on roadways. The expenditures involved in winter road maintenances are notable and exceed the 3 million Euros for an average winter. To decrease costs the municipality of Rotterdam is looking for the possibility to optimize gritting routes by means of a vehicle routing model. A vehicle routing model determines a set of routes, each performed by a vehicle that starts and ends at its own depot, such that all road segments are serviced. It is possible that these vehicle routing models may outperform own manual drawn routes, which are currently used for routing gritting vehicles.