GtfsStopTime

Description

See https://developers.google.com/transit/gtfs/reference/#stop_timestxt

Data Model

The data model is defined as shown below:

  • id: Entity ID.

    • It shall be urn:ngsi-ld:GtfsStopTime:<stop_time_identifier> being stop_time_identifier a value that can be derived from GTFS trip_id and stop_id.

  • type: Entity type.

    • It shall be equal to GtfsStopTime.

  • source : A sequence of characters giving the source of the entity data.

    • Attribute type: Property. Text or URL
    • Optional

  • dataProvider : Specifies the URL to information about the provider of this information

    • Attribute type: Property. URL
    • Optional

  • dateCreated : Entity's creation timestamp.

    • Attribute type: Property. DateTime
    • Read-Only. Automatically generated.

  • dateModified: Last update timestamp of this Entity.

    • Attribute type: Property. DateTime
    • Read-Only. Automatically generated.

  • hasTrip: Same as GTFS trip_id.

    • Attribute type: Relationship. It shall point to an Entity of type GtfsTrip
    • Mandatory

  • hasStop: Same as GTFS stop_id

    • Attribute type: Relationship. It shall point to an Entity of type GtfsStop
    • Mandatory

  • arrivalTime: Same as GTFS arrival_time

    • Attribute type: Property. Text.
    • Mandatory

  • departureTime: Same as GTFS departure_time

    • Attribute type: Property. Text.
    • Mandatory

  • stopSequence: Same as GTFS stop_sequence

    • Attribute type: Property. Integer starting with 1.
    • Mandatory

  • stopHeadsign: Same as GTFS stop_headsign

    • Attribute type: Property. Text.
    • Optional

  • pickupType: Same as GTFS pickup_type.

    • Attribute type: Property. Text.
    • Optional

  • dropOffType: Same as GTFS drop_off_type

    • Attribute type: Property. Text
    • Optional

  • distanceTravelled: Same as GTFS shape_dist_traveled.

    • Attribute type: Property. Number
    • Optional

  • timepoint: Same as GTFS timepoint.

    • Attribute type: Property. Text
    • Optional

Examples

Normalized Example

Normalized NGSI response

{
    "id": "urn:ngsi-ld:GtfsStopTime:Spain:Madrid:EMT:FE0010011_737",
    "type": "GtfsStopTime",
    "departureTime": {
        "value": "07:04:24"
    },
    "hasTrip": {
        "type": "Relationship",
        "value": "urn:ngsi-ld:GtfsTrip:Madrid:EMT:FE0010011"
    },
    "stopSequence": {
        "value": 4
    },
    "distanceTravelled": {
        "value": 759
    },
    "arrivalTime": {
        "value": "07:04:24"
    },
    "hasStop": {
        "type": "Relationship",
        "value": "urn:ngsi-ld:GtfsStop:Madrid:EMT:737"
    }
}

key-value pairs Example

Sample uses simplified representation for data consumers ?options=keyValues

{
    "id": "urn:ngsi-ld:GtfsStopTime:Spain:Madrid:EMT:FE0010011_737",
    "type": "GtfsStopTime",
    "hasStop": "urn:ngsi-ld:GtfsStop:Madrid:EMT:737",
    "hasTrip": "urn:ngsi-ld:GtfsTrip:Madrid:EMT:FE0010011",
    "distanceTravelled": 759,
    "stopSequence": 4,
    "arrivalTime": "07:04:24",
    "departureTime": "07:04:24"
}

LD Example

Sample uses the NGSI-LD representation

{
    "id": "urn:ngsi-ld:GtfsStopTime:Spain:Madrid:EMT:FE0010011_737",
    "type": "GtfsStopTime",
    "departureTime": {
        "type": "Property",
        "value": "07:04:24"
    },
    "hasTrip": {
        "type": "Relationship",
        "object": "urn:ngsi-ld:GtfsTrip:Madrid:EMT:FE0010011"
    },
    "stopSequence": {
        "type": "Property",
        "value": 4
    },
    "distanceTravelled": {
        "type": "Property",
        "value": 759
    },
    "arrivalTime": {
        "type": "Property",
        "value": "07:04:24"
    },
    "hasStop": {
        "type": "Relationship",
        "object": "urn:ngsi-ld:GtfsStop:Madrid:EMT:737"
    },
    "@context": [
        "https://uri.etsi.org/ngsi-ld/v1/ngsi-ld-core-context.jsonld",
        "https://schema.lab.fiware.org/ld/context"
    ]
}

Summary of mappings to GTFS

Properties

GTFS Field NGSI Attribute LinkedGTFS Comment
arrival_time arrivalTime gtfs:arrivalTime
departure_time departureTime gtfs:departureTime
stop_sequence stopSequence gtfs:stopSequence
stop_headsign stopHeadsign gtfs:headsign
pickup_type pickupType gtfs:pickupType
drop_off_type dropOffType gtfs:dropOffType
shape_dist_travelled distanceTravelled gtfs:distanceTravelled

Relationships

GTFS Field NGSI Attribute LinkedGTFS Comment
trip_id hasTrip gtfs:trip
stop_id hasStop gtfs:stop

Open issues