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InterSim

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driving-simulator
digital-twin
human-in-the-loop
unity
intersections
traffic-simulation
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metadata 
license: other
license_name: intersim-research-use-no-redistribution
pretty_name: InterSim Full Unity Project
viewer: false
tags:
  - driving-simulator
  - digital-twin
  - human-in-the-loop
  - unity
  - intersections
  - traffic-simulation
extra_gated_heading: Request access to the InterSim full Unity project
extra_gated_prompt: >-
  This repository contains the complete InterSim Unity project, including
  commercial vehicle 3D models purchased from TurboSquid. Access is granted for
  research use only, and we review each request manually. Please do not
  redistribute the project or any of its vehicle models.
extra_gated_fields:
  Full name: text
  Affiliation: text
  Intended use: text
  I will use the InterSim project for research purposes only: checkbox
  I will not redistribute the project or its vehicle models: checkbox
extra_gated_button_content: Request access

InterSim: Full Unity Project

The complete Unity project for InterSim: Innovative Intersection Digital Twins for Human-in-the-Loop Driving Simulation.

Paper (arXiv) · Project page · Code (GitHub) · Zenodo

Contents

InterSim-FullProject.zip (about 3.6 GB) is the complete Unity 6000.6.6f1 project with digital twins of five innovative intersections: Displaced Left Turn (DLT), Reduced Conflict Intersection (RCI), Roundabout Interchange (RBI), Diverging Diamond Interchange (DDI) and Two-Lane Roundabout (RAB). Besides the scripts, scenes and settings that are also on GitHub, it includes the textures, 3D models (including the vehicles) and audio that the GitHub repository leaves out.

If you only want to try the simulator, download a prebuilt package from GitHub Releases instead. No access request is needed for those.

Access

The files are gated. Fill in the form on this page and agree to the terms, and we will review your request. Access is for research use only, and the project and its vehicle models must not be redistributed.

Download and open

  1. Once your request is approved, download InterSim-FullProject.zip from the Files and versions tab, or from a terminal:
    pip install -U huggingface_hub
hf auth login
hf download James55158075/InterSim InterSim-FullProject.zip --repo-type dataset --local-dir .
  2. Extract the zip. Install Unity Hub, click Add → Add project from disk and select the extracted InterSim folder. Unity Hub will offer to install the required editor version (6000.6.6f1).
  3. Open the project (the first import takes a while), open Assets/Scenes/Main/MainMenu.unity and press Play.

To get later updates to the scripts and scenes, connect the extracted project to the GitHub repository as described in its README.

License

The InterSim code is released under the MIT License (see the GitHub repository). This full project also contains commercial vehicle models purchased from TurboSquid and third-party Unity packages (for example EasyRoads3D, Edy's Vehicle Physics, Simple Waypoint System, Traffic Lights System, TerrainFormer, DOTween and Unity Standard Assets), which remain under their own licenses. The full project is shared for research use only and may not be redistributed.

Citation 

@misc{jiang2026intersiminnovativeintersectiondigital,
      title={InterSim: Innovative Intersection Digital Twins for Human-in-the-Loop Driving Simulation},
      author={Luyang Jiang and Chuheng Wei and Yaguang Li and Shaoqi Wang and Yupeng Zhou and Hyunsoo Yun and Xishun Liao and Brandon Pitts and Ziran Wang},
      year={2026},
      eprint={2611.05968},
      archivePrefix={arXiv},
      primaryClass={cs.CE},
      url={https://arxiv.org/abs/2611.05968},
}

Contact

For questions about access or the vehicle models, please contact Luyang Jiang (luyang@purdue.edu).