Software, Data, and Networks


Many simulations can be found at the Simulating Transportation for Realistic Engineering Education and Training (STREET) project. These simulations are interactive models that require java be installed on your machine.

The following simulations are available for download, but are too large to run interactively. They were used in the research associated with Xie and Levinson (2011) Evolving Transportation Networks.

Software repository

  • Many open source programs can be downloaded from the Nexus / Accessibility Observatory archive at GitHub.
  • Code for Primal and Dual Accessibility from Mengying Cui’s GitHub.



The following test networks have been developed by the Nexus Group.

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