Commuter rail predictions

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Jeff Lopes

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Aug 19, 2023, 4:58:17 PM8/19/23

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Hello again,

I noticed that the V3 API only returns commuter rail predictions for upcoming trips for the originating stop. It would be helpful to get predictions for every stop on the trip, even if the trip hasn't begun. Is that possible?

Here's a current example from the API that shows a single prediction for upcoming trip CR-595947-1611.

HTTP GET /mbta/predictions?filter%5Broute%5D=CR-Needham&include=trip,vehicle,vehicle.trip&X-Api-Key=REDACTED

{
"data": [
{
"attributes": {
"arrival_time": null,
"departure_time": "2023-08-19T17:15:00-04:00",
"direction_id": 0,
"schedule_relationship": null,
"status": "On time",
"stop_sequence": 0,
"track": null
},
"id": "prediction-CR-595947-1611-NEC-2287-0",
"relationships": {
"route": {
"data": {
"id": "CR-Needham",
"type": "route"
}
},
"stop": {
"data": {
"id": "NEC-2287",
"type": "stop"
}
},
"trip": {
"data": {
"id": "CR-595947-1611",
"type": "trip"
}
},
"vehicle": {
"data": null
}
},
"type": "prediction"
},
{
"attributes": {
"arrival_time": "2023-08-19T16:50:22-04:00",
"departure_time": null,
"direction_id": 1,
"schedule_relationship": null,
"status": null,
"stop_sequence": 110,
"track": null
},
"id": "prediction-CR-595946-1610-NEC-2287-110",
"relationships": {
"route": {
"data": {
"id": "CR-Needham",
"type": "route"
}
},
"stop": {
"data": {
"id": "NEC-2287",
"type": "stop"
}
},
"trip": {
"data": {
"id": "CR-595946-1610",
"type": "trip"
}
},
"vehicle": {
"data": {
"id": "1813",
"type": "vehicle"
}
}
},
"type": "prediction"
}
],
"included": [
{
"attributes": {
"bearing": 89,
"carriages": [],
"current_status": "IN_TRANSIT_TO",
"current_stop_sequence": 110,
"direction_id": 1,
"label": "1813",
"last_updated": "2023-08-19T16:45:26-04:00",
"latitude": 42.34769058227539,
"longitude": -71.07286834716797,
"occupancy_status": null,
"speed": 6.7,
"updated_at": "2023-08-19T16:45:26-04:00"
},
"id": "1813",
"links": {
"self": "/vehicles/1813"
},
"relationships": {
"route": {
"data": {
"id": "CR-Needham",
"type": "route"
}
},
"stop": {
"data": {
"id": "NEC-2287",
"type": "stop"
}
},
"trip": {
"data": {
"id": "CR-595946-1610",
"type": "trip"
}
}
},
"type": "vehicle"
},
{
"attributes": {
"bikes_allowed": 1,
"block_id": "",
"direction_id": 1,
"headsign": "South Station",
"name": "1610",
"wheelchair_accessible": 1
},
"id": "CR-595946-1610",
"links": {
"self": "/trips/CR-595946-1610"
},
"relationships": {
"route": {
"data": {
"id": "CR-Needham",
"type": "route"
}
},
"route_pattern": {
"data": {
"id": "CR-Needham-d774fb34-1",
"type": "route_pattern"
}
},
"service": {
"data": {
"id": "SPR23-S-Sa-1-Sc5",
"type": "service"
}
},
"shape": {
"data": {
"id": "9860001",
"type": "shape"
}
},
"vehicle": {
"data": {
"id": "1813",
"type": "vehicle"
}
}
},
"type": "trip"
},
{
"attributes": {
"bikes_allowed": 1,
"block_id": "",
"direction_id": 0,
"headsign": "Needham Heights",
"name": "1611",
"wheelchair_accessible": 1
},
"id": "CR-595947-1611",
"links": {
"self": "/trips/CR-595947-1611"
},
"relationships": {
"route": {
"data": {
"id": "CR-Needham",
"type": "route"
}
},
"route_pattern": {
"data": {
"id": "CR-Needham-a6552e0a-0",
"type": "route_pattern"
}
},
"service": {
"data": {
"id": "SPR23-S-Sa-1-Sc5",
"type": "service"
}
},
"shape": {
"data": {
"id": "9860002",
"type": "shape"
}
},
"vehicle": {
"data": null
}
},
"type": "trip"
}
],
"jsonapi": {
"version": "1.0"
}
}

Thanks,

Jeff

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