Module map_model::edits::perma_traffic_signal

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A representation of traffic signal configuration that references OpenStreetMap IDs and is hopefully robust to minor edits over time.


  • A road segment connecting two intersections, and a direction along the segment.
  • A plan describes how a traffic signal is configured during some period of time. Multiple plans allow a single intersection to behave differently in the middle of the night with low traffic, compared to the middle of rush hour.
  • A traffic signal is in one stage at any time. The stage describes what movements are possible.
  • A movement through an intersection.


  • How long a stage lasts before moving to the next one.