Sound Transit Arrival And Departure

Schema for a real-time arrival or departure prediction from the Sound Transit OneBusAway API

TransitTransportationGTFSReal-TimePublic TransitGovernmentSeattle

Properties

Name	Type	Description
routeId	string	Route identifier
tripId	string	Trip identifier
serviceDate	integer	Service date in milliseconds since Unix epoch
vehicleId	string	Vehicle identifier if known
stopId	string	Stop identifier
stopSequence	integer	Sequence number of this stop within the trip
scheduledArrivalTime	integer	Scheduled arrival time in milliseconds since Unix epoch
scheduledDepartureTime	integer	Scheduled departure time in milliseconds since Unix epoch
predictedArrivalTime	integer	Real-time predicted arrival time in milliseconds (0 if no prediction)
predictedDepartureTime	integer	Real-time predicted departure time in milliseconds (0 if no prediction)
predicted	boolean	Whether real-time prediction data is available for this arrival
status	string	Status of the arrival (ON_TIME, EARLY, DELAYED, etc.)
routeShortName	string	Short name/number of the route
tripHeadsign	string	Destination headsign displayed on the vehicle

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/sound-transit/main/json-schema/sound-transit-arrival-schema.json",
  "title": "Sound Transit Arrival And Departure",
  "description": "Schema for a real-time arrival or departure prediction from the Sound Transit OneBusAway API",
  "type": "object",
  "properties": {
    "routeId": {
      "type": "string",
      "description": "Route identifier"
    },
    "tripId": {
      "type": "string",
      "description": "Trip identifier"
    },
    "serviceDate": {
      "type": "integer",
      "format": "int64",
      "description": "Service date in milliseconds since Unix epoch"
    },
    "vehicleId": {
      "type": "string",
      "description": "Vehicle identifier if known"
    },
    "stopId": {
      "type": "string",
      "description": "Stop identifier"
    },
    "stopSequence": {
      "type": "integer",
      "description": "Sequence number of this stop within the trip"
    },
    "scheduledArrivalTime": {
      "type": "integer",
      "format": "int64",
      "description": "Scheduled arrival time in milliseconds since Unix epoch"
    },
    "scheduledDepartureTime": {
      "type": "integer",
      "format": "int64",
      "description": "Scheduled departure time in milliseconds since Unix epoch"
    },
    "predictedArrivalTime": {
      "type": "integer",
      "format": "int64",
      "description": "Real-time predicted arrival time in milliseconds (0 if no prediction)"
    },
    "predictedDepartureTime": {
      "type": "integer",
      "format": "int64",
      "description": "Real-time predicted departure time in milliseconds (0 if no prediction)"
    },
    "predicted": {
      "type": "boolean",
      "description": "Whether real-time prediction data is available for this arrival"
    },
    "status": {
      "type": "string",
      "description": "Status of the arrival (ON_TIME, EARLY, DELAYED, etc.)"
    },
    "routeShortName": {
      "type": "string",
      "description": "Short name/number of the route"
    },
    "tripHeadsign": {
      "type": "string",
      "description": "Destination headsign displayed on the vehicle"
    }
  },
  "required": ["routeId", "tripId", "stopId", "scheduledArrivalTime"]
}