Versions:

  • 1.26.0
  • 1.25.0
  • 1.24.0
  • 1.18.0.2427
  • 1.17.0
  • 1.15.0
  • 1.14.1
  • 1.14.0
  • 1.13.0
  • 1.12.0

Eclipse SUMO 1.26.0 belongs to the traffic-simulation category and offers an open-source, highly portable microscopic and continuous modeling engine capable of coping with metropolitan-scale networks. Urban planners, traffic engineers, and academic researchers deploy the package to evaluate congestion, test signal-timing strategies, or measure the impact of new infrastructure before real-world implementation. Because the software performs intermodal simulation, it simultaneously represents private cars, buses, trams, bicycles, and pedestrians, enabling holistic assessment of corridor redesigns, shared-space concepts, or autonomous-vehicle roll-outs. A comprehensive tool chain ships with the executable: netconvert imports OpenStreetMap, VISUM, or Vissim data; dfrouter matches observed counts to feasible routes; polyconvert generates 3-D visual context; and emissionsmap calculates instantaneous CO₂ and NOₓ outputs. Interactive inspection is provided by sumo-gui, while sumo-python-tools expose TraCI, libsumo, and libtraci APIs that allow external scripts to change traffic-light phases, vehicle speeds, or lane restrictions at runtime, making the simulator suitable for reinforcement-learning experiments, hardware-in-the-loop benches, or large-scale cloud studies. Users can extend behavior by plugging in custom car-following, lane-changing, or energy-consumption models written in Python or C++. Ten successive yearly releases—among them 0.32.0, 1.2.0, 1.8.0, 1.15.0, and the current 1.26.0—have incrementally added features such as pedestrian crowds, railway signaling, electric-charging infrastructure, and demand-responsive transit, while continuously improving performance on multi-core machines. The software is available for free on get.nero.com, with downloads provided via trusted Windows package sources (e.g. winget), always delivering the latest version, and supporting batch installation of multiple applications.

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