Downloads

2021-02-28: Please, download OPT version 1.0 and run the setup.

If you use Mac, download this .zip archive and to run, after unzipping Control-click on runOPT.command in Finder, then choose "Open" in the menu.


  • Aims at replacing FREQ12.

  • Multiple vehicle types.

  • Configurable ramp metering.

  • Configurable lane management policies.

  • Emissions calculation.

  • Section/ route/ network level reporting.

  • Export of simulation results to Excel.

2021-02-17: Please, download the Early Release and install the OPT application following these instructions.

If you use Mac, download this .zip archive and to run, after unzipping Control-click on runOPT.command in Finder, then choose "Open" in the menu.


  • Aims at replacing FREQ12.

  • Multiple vehicle types.

  • Configurable ramp metering.

  • Configurable lane management policies.

  • Emissions calculation.

  • Section/ route/ network level reporting.

  • Export of simulation results to Excel.

2020-11-06: Please, download the Alpha Release and install the OPT application following these instructions.

If you use Mac, download this .zip archive and to run, after unzipping Control-click on runOPT.command in Finder, then choose "Open" in the menu.


  • Aims at replacing FREQ12.

  • Has a clean, accessible, and self-explanatory user interface.

  • Provides an easy and efficient way of building and modifying road networks.

  • Provides a capability for easy and efficient tuning of simulation parameters (e.g. freeway capacities) according to established criteria.

  • Displays simulation results as contour or timeseries plots that can be exported to Excel spreadsheets.

  • Provides quick start instructions and sample configurations.

2020-10-21: Please, download opt_dev_20201021.zip and install the OPT application following these instructions.

  • Corrected lane changing model.

  • Lane management policies.

  • Export of simulation results to Excel.

2020-09-25: Please, download opt_dev_20200925.zip and install the OPT application following these instructions.

  • Improved plotting.

  • Improved table editing.

2020-09-16: Please, download opt_dev_20200916.zip and install the OPT application following these instructions.

  • This release contains bug fixes for the previous release, e.g. improved tabular data editing.

  • Lane policy setup.

  • Ramp metering on managed lanes at on-ramps.

  • Improved computation of simulation results.

2020-08-12: Please, download opt_dev_20200812.zip and install the OPT application following these instructions.

  • This release contains bug fixes for the previous release, e.g. support for aux lanes.

  • Simulation model with on-ramp metering options.

  • Road- route- and network-level reporting of simulation results.

2020-06-22: Please, download opt_dev_20200622.zip and install the OPT application following these instructions.

  • This release is made for the hands-on webinar on June 23, 2020.

  • It features end-to-end development of traffic simulation model.

  • Route specification.

  • Initial version of simulation results reporting.

2020-02-03: Please, download opt_dev_20200203.zip and install the OPT application following these instructions.

  • This release is made for the hands-on webinar on February 6, 2020.

  • It features setting ramp meters, editing ramp metering schedule, setting scenario timing and launching simulation.

  • This version of the software does not allow setting policies managed lanes and seeing simulation results.

2019-10-21: Please, download opt_dev_20191021.zip and install the OPT application following these instructions.

  • This release is made for the hands-on webinar on October 24.

  • It features setting vehicle types, assigning road parameters and entering traffic demand and splits.

  • This version of the software does not allow prescribing ramp metering and managed lanes control policies and behavior.

2019-08-19: Please, download opt_dev_20190819.zip and install the OPT application following these instructions.

  • This release features a freeway configuration module with limited capabilities allowing the user to build a freeway network, configure ramps and lanes.