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GTFS Extensions

Metro Transit’s GTFS includes a few extensions to the GTFS standard. These elements are documented below. Please note this is intended to supplement documentation on GTFS itself.

linked_datasets.txt

Field Definition
url URL of a GTFS-realtime feed
trip_updates A binary value that indicates URL contains a GTFS-realtime TripUpdate feed. Valid options are:
  • 0 - The dataset at this URL doesn't contain TripUpdate entities.
  • 1 - The dataset at this URL may contain TripUpdate entities.
vehicle_positions A binary value that indicates URL contains a GTFS-realtime VehiclePositions feed. Valid options are:
  • 0 - The dataset at this URL doesn't contain VehiclePosition entities.
  • 1 - The dataset at this URL may contain VehiclePosition entities.
service_alerts A binary value that indicates URL contains a GTFS-realtime ServiceAlerts feed. Valid options are:
  • 0 - The dataset at this URL doesn't contain Alert entities.
  • 1 - The dataset at this URL may contain Alert entities.
authentication_type The authentication_type field defines the type of authentication required to access the URL. Valid options are:
  • 0 - No authentication required
  • 1 - The authentication requires an API key

 

trips.txt

Field Definition
direction

Indicates the cardinal direction of travel for a trip.
NB = northbound
SB = southbound
EB = eastbound
WB = westbound

branch_letter

Indicates the trip’s branch or variant.
Metro Transit’s service includes many branches. Trips with the same route_id serve meaningfully different stops and destinations based on their branch_letter. When referring to a specific trip, the branch_letter should always be included along with the route_id.

boarding_type

Indicates how and when riders pay fares.

  • 0 - onboard fare payment, pay on entry 
  • 1 - offboard fare payment, pay before boarding
  • 2 - onboard fare payment, pay on exit  

  

vehicles.txt

Field Definition
vehicle_id

Internal system identification of the vehicle. Unique per vehicle.

vehicle_description Vehicle type. 
  • 40BRTLFBUS - 40', BRT-style, low-floor bus
  • 40HFBUS - 40', high-floor bus
  • 40LFBUS - 40', low-floor bus
  • ARTICBRTLFBUS - Articulated (60'), BRT-style, low-floor bus
  • ARTICEBRTLFBUS - Articulated (60'), fully electric, BRT-style, low-floor bus
  • ARTICHFBUS - Articulated (60'), high-floor bus
  • ARTICLFBUS - Articulated (60'), low-floor bus
  • SUBHFBUS - Suburban high-floor coach buses 
seated_capacity Seated capacity
standing_capacity Standing capacity
door_count Number of doors
door_width Door width
low_floor Indicates whether the vehicle has low-floor boarding
  • 0 - vehicle floors are high, multiple steps required to board, slower wheelchair lift
  • 1 - vehicle floors are low, smaller step required to board
bike_capacity Indicates bike rack capacity on the vehicle
wheelchair_access Indicates wheelchair access type
  • lift - vehicle has a lift for wheelchair accessible boarding
  • ramp - vehicle has a ramp for wheelchair accessible boarding