PTV Vissim

Traffic simulation software for transport planning

Paid Geospatial
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Users build a network, add signals and demand, and run simulations to see delays and queues. It tests design changes before they are built. It connects with other PTV tools for planning.

It is a professional license, and models need calibration with local data.

Aimsun and SUMO are alternatives. PTV Vissim suits transportation engineers.