hMETIS-Based Offline Road Network Partitioning

  • Yan Xu
  • Gary Tan
Part of the Communications in Computer and Information Science book series (CCIS, volume 323)


Distributed transportation simulation is an important technology for evaluating large-scale traffic applications and control policies, before they are implemented in real-world traffic systems. Offline road network partitioning is the first step towards distributed transportation simulation. Currently, road network portioning algorithms, like METIS, are designed to reduce the execution time. However, a slower execution time is acceptable for offline road network partitioning, if it leads to more efficient road network partitions. This paper introduces hMETIS-based offline road network partitioning. One experiment based on Singapore expressways shows that compared with the famous METIS-based offline road network partitioning, hMETIS-based offline road network partitioning reduces the number of vehicles crossing partitions by 9.8% on average, with a similar load imbalance and an acceptable execution time. For distributed traffic simulations, where there are large amount of data exchanged between partitions, hMETIS-based offline road network partitioning is one candidate solution to reduce the simulation time and increase the scalability.


distributed transportation simulation offline road network partitioning hMETIS 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Yan Xu
    • 1
  • Gary Tan
    • 1
  1. 1.School of Computing National University of SingaporeSingapore

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