Building a Large-Scale Micro-Simulation Transport Scenario
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  • Release Date: 2022-01-10
  • large scale
  • agent-based
  • micro-simulation
  • mode choice model
  • big data
  • GPS traces
  • OpenStreetMap
  • GTFS
  • SUMO
Video Introduction

This video is adapted from 10.3390/ijgi10030165

A large-scale agent-based microsimulation scenario including the transport modes car, bus, bicycle, scooter, and pedestrian, is built and validated for the city of Bologna (Italy) during the morning peak hour. Large-scale microsimulations enable the evaluation of city-wide effects of novel and complex transport technologies and services, such as intelligent traffic lights or shared autonomous vehicles. Large-scale microsimulations can be seen as an interdisciplinary project where transport planners and technology developers can work together on the same scenario; big data from OpenStreetMap, traffic surveys, GPS traces, traffic counts and transit details are merged into a unique transport scenario. The employed activity-based demand model is able to simulate and evaluate door-to-door trip times while testing different mobility strategies. Indeed, a utility-based mode choice model is calibrated that matches the official modal split. The scenario is implemented and analyzed with the software SUMOPy/SUMO which is an open source software, available on GitHub. The simulated traffic flows are compared with flows from traffic counters using different indicators. The determination coefficient has been 0.7 for larger roads (width greater than seven meters). The present work shows that it is possible to build realistic microsimulation scenarios for larger urban areas. A higher precision of the results could be achieved by using more coherent data and by merging different data sources.

SUMOPy installation instructions for various OSs can be found on github
Download instructions of the Bologna scenario can also be found on github (scenario can be simulated with SUMO only installation, SUMOPy is not required).

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Schweizer, J.; Poliziani, C.; Rupi, F.; Morgano, D. Building a Large-Scale Micro-Simulation Transport Scenario. Encyclopedia. Available online: (accessed on 24 April 2024).
Schweizer J, Poliziani C, Rupi F, Morgano D. Building a Large-Scale Micro-Simulation Transport Scenario. Encyclopedia. Available at: Accessed April 24, 2024.
Schweizer, Joerg, Cristian Poliziani, Federico Rupi, Davide Morgano. "Building a Large-Scale Micro-Simulation Transport Scenario" Encyclopedia, (accessed April 24, 2024).
Schweizer, J., Poliziani, C., Rupi, F., & Morgano, D. (2022, January 10). Building a Large-Scale Micro-Simulation Transport Scenario. In Encyclopedia.
Schweizer, Joerg, et al. "Building a Large-Scale Micro-Simulation Transport Scenario." Encyclopedia. Web. 10 January, 2022.