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This is a page to coordinate improving/verifying the details of the Massachusetts Bay Transportation Authority (aka the T) on OSM.

More content to come.

OpenStreetMap objects

Existing transit routes

(unverified if they are properly tagged, or complete, etc.)

PTNA provides a daily analysis of route_master and route relations found in the area of City of Boston on it's US sub-page. A CSV list can be compiled to list the exepected (= exist in reality) in this Wiki.

  • relation MBTA Green Line (E)
    • name="MBTA Green Line (E): Heath Street → North Station"
    • name="MBTA Green Line (E): North Station → Heath Street"
  • relation MBTA Franklin Line
  • name="MBTA Franklin Line: Boston South <=> Back Bay <=> Forge Park"
  • name="MBTA Franklin Line: Boston South <=> Fairmount <=> Foxboro"
  • relation MBTA Mattapan Trolley
  • name="MBTA Mattapan Trolley: Ashmont → Mattapan"
  • name="MBTA Mattapan Trolley: Mattapan → Ashmont"
  • relation MBTA Orange Line
    • name="MBTA Orange Line: Forest Hills → Oak Grove"
    • name="MBTA Orange Line: Oak Grove → Forest Hills"
  • relation MBTA Red Line (there are four route relations tagged with Red -- they should get distinct ref tags)
    • name="MBTA Red Line: Alewife → Ashmont"
    • name="MBTA Red Line: Alewife → Braintree"
    • name="MBTA Red Line: Ashmont → Alewife"
    • name="MBTA Red Line: Braintree → Alewife"

public_transport relations missing a ref tag

route relations missing a ref tag

route_master relations missing a ref tag

Routes we're planning on trying to improve soon


The MBTA provides their own data which can be useful for updating OpenStreetMap. Note that in general this shouldn't be directly used imported, but only used as a reference alongside other sources like on-the-ground surveying and aerial imagery.

Often the easiest way to reference this data during editing is via the GeoJSON exports. For example, in the iD editor, go to the "Map Data" tab on the right side, click the ••• to the right of "Custom Map Data", and paste in the GeoJSON URL below and click OK (and ensure the "Custom Map Data" box is then checked) to see the data on the map. You can then click on one of the nodes to see the detailed properties of it and use to reference while you edit.

  • Rapid Transit Stops GeoJSON: https://opendata.arcgis.com/datasets/a5a1e75b2f194465890151ee9c3a1d97_0.geojson
  • Rapid Transit Routes GeoJSON: https://opendata.arcgis.com/datasets/a5a1e75b2f194465890151ee9c3a1d97_1.geojson
  • Commuter Rail Stations GeoJSON: https://opendata.arcgis.com/datasets/a5a1e75b2f194465890151ee9c3a1d97_2.geojson
  • Commuter Rail Routes GeoJSON: https://opendata.arcgis.com/datasets/a5a1e75b2f194465890151ee9c3a1d97_3.geojson
  • Bus Stops GeoJSON: https://opendata.arcgis.com/datasets/a5a1e75b2f194465890151ee9c3a1d97_4.geojson
  • Bus Routes GeoJSON: https://opendata.arcgis.com/datasets/a5a1e75b2f194465890151ee9c3a1d97_5.geojson
  • Ferry Stops GeoJSON: https://opendata.arcgis.com/datasets/a5a1e75b2f194465890151ee9c3a1d97_6.geojson
  • Ferry Routes GeoJSON: https://opendata.arcgis.com/datasets/a5a1e75b2f194465890151ee9c3a1d97_7.geojson
  • Other Routes GeoJSON: https://opendata.arcgis.com/datasets/a5a1e75b2f194465890151ee9c3a1d97_8.geojson
  • Other Stops GeoJSON: https://opendata.arcgis.com/datasets/a5a1e75b2f194465890151ee9c3a1d97_10.geojson
  • Facilities GeoJSON: https://opendata.arcgis.com/datasets/a5a1e75b2f194465890151ee9c3a1d97_9.geojson

See also