proto/gtfs.proto - schedules - Gitiles

 // Copyright 2012 Google Inc., Stichting OpenGeo, avm99963
 //
 // The content of this file is licensed under the Creative Commons Attribution
 // 3.0 License.
 //
 // Protocol definition file for a GTFS feed.

 syntax = "proto3";

 import "google/protobuf/any.proto";
 package gtfs;

 message FeedMessage {
   // Metadata about this feed and feed message.
   FeedHeader header = 1;

   // Contents of the feed.
   repeated FeedEntity entity = 2;
 }

 // Metadata about a feed, included in feed messages.
 message FeedHeader {
   // Version of the feed specification.
   // The current version is 1.0.
   string gtfs_version = 1;

   // The feed_publisher_name field contains the full name of the organization that publishes the feed.
   string feed_publisher_name = 2;

   // The feed_publisher_url field contains the URL of the feed publishing organization's website.
   string feed_publisher_url = 3;

   // The feed_lang field contains a IETF BCP 47 language code specifying the default language used for the text in this feed.
   string feed_lang = 4;

   // The feed provides complete and reliable schedule information for service in the period from the beginning of the
   // feed_start_date day to the end of the feed_end_date day in YYYYMMDD
   string feed_start_date = 5;
   string feed_end_date = 6;

   // The feed publisher can specify a string here that indicates the current version of their GTFS feed.
   string feed_version = 7;

   // The extensions namespace allows 3rd-party developers to extend the
   // GTFS specification in order to add and evaluate new features and
   // modifications to the spec.
   google.protobuf.Any extension = 2000;
   reserved 1000 to 1999;
 }

 // A definition (or update) of an entity in the transit feed.
 message FeedEntity {
   // The ids are used only to provide incrementality support. The id should be
   // unique within a FeedMessage. Consequent FeedMessages may contain
   // FeedEntities with the same id. In case of a DIFFERENTIAL update the new
   // FeedEntity with some id will replace the old FeedEntity with the same id
   // (or delete it - see is_deleted below).
   // The actual GTFS entities (e.g. stations, routes, trips) referenced by the
   // feed must be specified by explicit selectors (see EntitySelector below for
   // more info).
   string id = 1;

   // Whether this entity is to be deleted. Relevant only for incremental
   // fetches.
   bool is_deleted = 2;

   // Data about the entity itself. Exactly one of the following fields must be
   // present (unless the entity is being deleted).
   oneof element {
     Agency agency = 3;
     Stop stop = 4;
     Route route = 5;
     Trip trip = 6;
     StopTime stop_time = 7;
     Calendar calendar = 8;
     CalendarDate calendar_date = 9;
     FareAttribute fare_attribute = 10;
     FareRule fare_rule = 11;
     Shape shape = 12;
     Frequency frequency = 13;
     Transfer transfer = 14;
   }

   google.protobuf.Any extension = 2000;
   reserved 1000 to 1999;
 }

 //
 // Entities used in the feed.
 //

 message Agency {
   // The agency_id field is an ID that uniquely identifies a transit agency.
   string agency_id = 1;

   // The agency_name field contains the full name of the transit agency.
   string agency_name = 2;

   // The agency_url field contains the URL of the transit agency.
   string agency_url = 3;

   // The agency_timezone field contains the timezone where the transit agency is located.
   string agency_timezone = 4;

   // The agency_lang field contains a two-letter ISO 639-1 code for the primary language used by this transit agency.
   string agency_lang = 5;

   // The agency_phone field contains a single voice telephone number for the specified agency.
   string agency_phone = 6;

   // The agency_fare_url specifies the URL of a web page that allows a rider to purchase tickets or other fare instruments for that agency online.
   string agency_fare_url = 7;

   // GTFS specification in order to add and evaluate new features and
   // modifications to the spec.
   google.protobuf.Any extension = 2000;
   reserved 1000 to 1999;
 }

 message Stop {
   // The stop_id field contains an ID that uniquely identifies a stop or station.
   // Multiple routes may use the same stop. stop_id is dataset unique.
   string stop_id = 1;

   // The stop_code field contains short text or a number that uniquely identifies the stop for passengers.
   string stop_code = 2;

   // The stop_name field contains the name of a stop or station.
   string stop_name = 3;

   // The stop_desc field contains a description of a stop.
   string stop_desc = 4;

   // Degrees North, in the WGS-84 coordinate system.
   float latitude = 5;

   // Degrees East, in the WGS-84 coordinate system.
   float longitude = 6;

   string zone_id = 7;
   string stop_url = 8;
   enum LocationType {
     // Stop (or Platform). A location where passengers board or disembark from a transit vehicle. Is called a platform when defined within a parent_station.
     STOP = 0;

     // Station. A physical structure or area that contains one or more platform.
     STATION = 1;

     // Entrance/Exit. A location where passengers can enter or exit a station from the street. If an entrance/exit belongs to multiple stations, it can be linked by pathways to both, but the data provider must pick one of them as parent.
     ENTRANCE= 2;

     // Generic Node. A location within a station, not matching any other location_type, which can be used to link together pathways define in pathways.txt.
     GENERIC_NODE = 3;

     // Boarding Area. A specific location on a platform, where passengers can board and/or alight vehicles.
     BOARDING_AREA = 4;
   }
   LocationType location_type = 9;

   string parent_station = 10;
   string agency_timezone = 11;

   enum WheelchairBoarding {
     // no accessibility information for the stop
     UNKNOWN = 0;

     // some vehicles at this stop can be boarded by a rider in a wheelchair
     ACCESSIBLE = 1;

     // wheelchair boarding is not possible at this stop
     NOT_ACCESSIBLE = 2;
   }
   // The exact status of the vehicle with respect to the current stop.
   // Ignored if current_stop_sequence is missing.
   WheelchairBoarding wheelchair_boarding = 12;

   // The extensions namespace allows 3rd-party developers to extend the
   // GTFS specification in order to add and evaluate new features and
   // modifications to the spec.
   google.protobuf.Any extension = 2000;
   reserved 1000 to 1999;
 }

 message Route {
   // The route_id field contains an ID that uniquely identifies a route.
   // The route_id is dataset unique.
   string route_id = 1;

   // The agency_id field defines an agency for the specified route.
   string agency_id = 2;

   // The route_short_name contains the short name of a route.
   string route_short_name = 3;

   // The route_long_name contains the full name of a route.
   string route_long_name = 4;

   // The route_desc field contains a description of a route.
   string route_desc = 5;

   // The route_type field describes the type of transportation used on a route.
   enum RouteType {
     // Tram, Streetcar, Light rail. Any light rail or street level system within a metropolitan area.
     TRAM = 0;

     // Subway, Metro. Any underground rail system within a metropolitan area.
     SUBWAY = 1;

     // Rail. Used for intercity or long-distance travel.
     RAIL = 2;

     // Bus. Used for short- and long-distance bus routes.
     BUS = 3;

     // Ferry. Used for short- and long-distance boat service.
     FERRY = 4;

     // Cable car. Used for street-level cable cars where the cable runs beneath the car.
     CABLECAR = 5;

     // Gondola, Suspended cable car. Typically used for aerial cable cars where the car is suspended from the cable.
     GONDOLA = 6;

     // Funicular. Any rail system designed for steep inclines.
     FUNICULAR = 7;
   }
   RouteType route_type = 6;

   // The route_url field contains the URL of a web page about that particular route.
   string route_url = 7;

   // In systems that have colors assigned to routes, the route_color field defines a color that corresponds to a route.
   // The color must be provided as a six-character hexadecimal number, for example, 00FFFF.
   string route_color = 8;

   // The route_text_color field can be used to specify a legible color to use for text drawn against a background of route_color.
   string route_text_color = 9;

   // The extensions namespace allows 3rd-party developers to extend the
   // GTFS specification in order to add and evaluate new features and
   // modifications to the spec.
   google.protobuf.Any extension = 2000;
   reserved 1000 to 1999;
 }


 message Trip {
   // The route_id field contains an ID that uniquely identifies a route.
   string route_id = 1;

   // The service_id contains an ID that uniquely identifies a set of dates when service is available for one or more routes.
   string service_id = 2;

   // The trip_id field contains an ID that identifies a trip. The trip_id is dataset unique.
   string trip_id = 3;

   // The trip_headsign field contains the text that appears on a sign that identifies the trip's destination to passengers.
   string trip_headsign = 4;

   // The trip_short_name field contains the text that appears in schedules and sign boards to identify the trip to passengers.
   string trip_short_name = 5;

   // The direction_id field contains a binary value that indicates the direction of travel for a trip.
   enum Direction {
     OUTBOUND = 0;

     INBOUND = 1;
   }
   Direction direction_id = 6;

   // The block_id field identifies the block to which the trip belongs.
   // A block consists of two or more sequential trips made using the same vehicle,
   // where a passenger can transfer from one trip to the next just by staying in the vehicle.
   string block_id = 7;

   // The shape_id field contains an ID that defines a shape for the trip.
   string shape_id = 8;

   // The extensions namespace allows 3rd-party developers to extend the
   // GTFS specification in order to add and evaluate new features and
   // modifications to the spec.
   google.protobuf.Any extension = 2000;
   reserved 1000 to 1999;
 }

 message StopTime {
   // The trip_id field contains an ID that identifies a trip. The trip_id is dataset unique.
   string trip_id = 1;

   string arrival_time = 2;
   string departure_time = 3;

   // TODO: Brian why not make this:
   // int32 arrival_time_secs = 2;
   // int32 departure_time_secs = 3;

   string stop_id = 4;
   string stop_sequence = 5;

   string stop_headsign = 6;

   enum AvailabilityType {
     // Tram, Streetcar, Light rail. Any light rail or street level system within a metropolitan area.
     REGULAR = 0;

     // Subway, Metro. Any underground rail system within a metropolitan area.
     NOT_AVAILABLE = 1;

     // Rail. Used for intercity or long-distance travel.
     PHONE = 2;

     // Bus. Used for short- and long-distance bus routes.
     DRIVER = 3;
   }
   AvailabilityType pickup_type = 7;

   AvailabilityType drop_off_type = 8;

   float shape_dist_traveled = 9;

   // The extensions namespace allows 3rd-party developers to extend the
   // GTFS specification in order to add and evaluate new features and
   // modifications to the spec.
   google.protobuf.Any extension = 2000;
   reserved 1000 to 1999;
 }

 message Calendar {
   // The trip_id field contains an ID that identifies a trip. The trip_id is dataset unique.
   string service_id = 1;

   enum CalendarDay {
     NOT_AVAILABLE = 0;
     AVAILABLE = 1;
   }
   CalendarDay monday = 2;
   CalendarDay tuesday = 3;
   CalendarDay wednesday = 4;
   CalendarDay thursday = 5;
   CalendarDay friday = 6;
   CalendarDay saturday = 7;
   CalendarDay sunday = 8;

   string start_date = 9;
   string end_date = 10;

   // The extensions namespace allows 3rd-party developers to extend the
   // GTFS specification in order to add and evaluate new features and
   // modifications to the spec.
   google.protobuf.Any extension = 2000;
   reserved 1000 to 1999;
 }

 message CalendarDate {
   // The trip_id field contains an ID that identifies a trip. The trip_id is dataset unique.
   string service_id = 1;

   string date = 2;

   enum ExceptionType {
     UNUSED_UNKNOWN = 0;
     ADDED = 1;
     REMOVED = 2;
   }
   ExceptionType exception_type = 3;

   // The extensions namespace allows 3rd-party developers to extend the
   // GTFS specification in order to add and evaluate new features and
   // modifications to the spec.
   google.protobuf.Any extension = 2000;
   reserved 1000 to 1999;
 }

 message FareAttribute {
   string fare_id = 1;
   float price = 2;
   string currency_type = 3;

   enum PaymentMethod {
     ONBOARD = 0;
     PREBOARDING = 1;
   }
   PaymentMethod payment_method = 4;

   enum Transfers {
     NO = 0;
     ONCE = 1;
     TWICE = 2;
     UNLIMITED = 3;
   }
   Transfers transfers = 5;

   int32 transfer_duration = 6;

   // The extensions namespace allows 3rd-party developers to extend the
   // GTFS specification in order to add and evaluate new features and
   // modifications to the spec.
   google.protobuf.Any extension = 2000;
   reserved 1000 to 1999;
 }

 message FareRule {
   string fare_id = 1;
   string route_id = 2;
   string origin_id = 3;
   string destination_id = 4;
   string contains_id = 5;
   // The extensions namespace allows 3rd-party developers to extend the
   // GTFS specification in order to add and evaluate new features and
   // modifications to the spec.
   google.protobuf.Any extension = 2000;
   reserved 1000 to 1999;
 }

 message Shape {
   string shape_id = 1;
   float shape_pt_lat = 2;
   float shape_pt_lon = 3;
   int32 shape_pt_sequence = 4;
   float shape_dist_traveled = 5;

   // The extensions namespace allows 3rd-party developers to extend the
   // GTFS specification in order to add and evaluate new features and
   // modifications to the spec.
   google.protobuf.Any extension = 2000;
   reserved 1000 to 1999;
 }

 message Frequency {
   string trip_id = 1;
   string start_time = 2;
   string end_time = 3;
   int32 headway_secs = 4;
   enum ScheduleType {
     NOT_EXACTLY = 0;
     EXACTLY = 1;
   }
   ScheduleType exact_times = 5;
   // The extensions namespace allows 3rd-party developers to extend the
   // GTFS specification in order to add and evaluate new features and
   // modifications to the spec.
   google.protobuf.Any extension = 2000;
   reserved 1000 to 1999;
 }

 message Transfer {
   string from_stop_id = 1;
   string to_stop_id = 2;
   enum TransferType {
     RECOMMENDED = 0;
     TIMED = 1;
     MINIMUM = 2;
     NOT_POSSIBLE = 3;
   }
   TransferType transfer_type = 3;

   int32 min_transfer_time = 4;

   // The extensions namespace allows 3rd-party developers to extend the
   // GTFS specification in order to add and evaluate new features and
   // modifications to the spec.
   google.protobuf.Any extension = 2000;
   reserved 1000 to 1999;
 }
	// Copyright 2012 Google Inc., Stichting OpenGeo, avm99963
	//
	// The content of this file is licensed under the Creative Commons Attribution
	// 3.0 License.
	//
	// Protocol definition file for a GTFS feed.

	syntax = "proto3";

	import "google/protobuf/any.proto";
	package gtfs;

	message FeedMessage {
	// Metadata about this feed and feed message.
	FeedHeader header = 1;

	// Contents of the feed.
	repeated FeedEntity entity = 2;
	}

	// Metadata about a feed, included in feed messages.
	message FeedHeader {
	// Version of the feed specification.
	// The current version is 1.0.
	string gtfs_version = 1;

	// The feed_publisher_name field contains the full name of the organization that publishes the feed.
	string feed_publisher_name = 2;

	// The feed_publisher_url field contains the URL of the feed publishing organization's website.
	string feed_publisher_url = 3;

	// The feed_lang field contains a IETF BCP 47 language code specifying the default language used for the text in this feed.
	string feed_lang = 4;

	// The feed provides complete and reliable schedule information for service in the period from the beginning of the
	// feed_start_date day to the end of the feed_end_date day in YYYYMMDD
	string feed_start_date = 5;
	string feed_end_date = 6;

	// The feed publisher can specify a string here that indicates the current version of their GTFS feed.
	string feed_version = 7;

	// The extensions namespace allows 3rd-party developers to extend the
	// GTFS specification in order to add and evaluate new features and
	// modifications to the spec.
	google.protobuf.Any extension = 2000;
	reserved 1000 to 1999;
	}

	// A definition (or update) of an entity in the transit feed.
	message FeedEntity {
	// The ids are used only to provide incrementality support. The id should be
	// unique within a FeedMessage. Consequent FeedMessages may contain
	// FeedEntities with the same id. In case of a DIFFERENTIAL update the new
	// FeedEntity with some id will replace the old FeedEntity with the same id
	// (or delete it - see is_deleted below).
	// The actual GTFS entities (e.g. stations, routes, trips) referenced by the
	// feed must be specified by explicit selectors (see EntitySelector below for
	// more info).
	string id = 1;

	// Whether this entity is to be deleted. Relevant only for incremental
	// fetches.
	bool is_deleted = 2;

	// Data about the entity itself. Exactly one of the following fields must be
	// present (unless the entity is being deleted).
	oneof element {
	Agency agency = 3;
	Stop stop = 4;
	Route route = 5;
	Trip trip = 6;
	StopTime stop_time = 7;
	Calendar calendar = 8;
	CalendarDate calendar_date = 9;
	FareAttribute fare_attribute = 10;
	FareRule fare_rule = 11;
	Shape shape = 12;
	Frequency frequency = 13;
	Transfer transfer = 14;
	}

	google.protobuf.Any extension = 2000;
	reserved 1000 to 1999;
	}

	//
	// Entities used in the feed.
	//

	message Agency {
	// The agency_id field is an ID that uniquely identifies a transit agency.
	string agency_id = 1;

	// The agency_name field contains the full name of the transit agency.
	string agency_name = 2;

	// The agency_url field contains the URL of the transit agency.
	string agency_url = 3;

	// The agency_timezone field contains the timezone where the transit agency is located.
	string agency_timezone = 4;

	// The agency_lang field contains a two-letter ISO 639-1 code for the primary language used by this transit agency.
	string agency_lang = 5;

	// The agency_phone field contains a single voice telephone number for the specified agency.
	string agency_phone = 6;

	// The agency_fare_url specifies the URL of a web page that allows a rider to purchase tickets or other fare instruments for that agency online.
	string agency_fare_url = 7;

	// GTFS specification in order to add and evaluate new features and
	// modifications to the spec.
	google.protobuf.Any extension = 2000;
	reserved 1000 to 1999;
	}

	message Stop {
	// The stop_id field contains an ID that uniquely identifies a stop or station.
	// Multiple routes may use the same stop. stop_id is dataset unique.
	string stop_id = 1;

	// The stop_code field contains short text or a number that uniquely identifies the stop for passengers.
	string stop_code = 2;

	// The stop_name field contains the name of a stop or station.
	string stop_name = 3;

	// The stop_desc field contains a description of a stop.
	string stop_desc = 4;

	// Degrees North, in the WGS-84 coordinate system.
	float latitude = 5;

	// Degrees East, in the WGS-84 coordinate system.
	float longitude = 6;

	string zone_id = 7;
	string stop_url = 8;
	enum LocationType {
	// Stop (or Platform). A location where passengers board or disembark from a transit vehicle. Is called a platform when defined within a parent_station.
	STOP = 0;

	// Station. A physical structure or area that contains one or more platform.
	STATION = 1;

	// Entrance/Exit. A location where passengers can enter or exit a station from the street. If an entrance/exit belongs to multiple stations, it can be linked by pathways to both, but the data provider must pick one of them as parent.
	ENTRANCE= 2;

	// Generic Node. A location within a station, not matching any other location_type, which can be used to link together pathways define in pathways.txt.
	GENERIC_NODE = 3;

	// Boarding Area. A specific location on a platform, where passengers can board and/or alight vehicles.
	BOARDING_AREA = 4;
	}
	LocationType location_type = 9;

	string parent_station = 10;
	string agency_timezone = 11;

	enum WheelchairBoarding {
	// no accessibility information for the stop
	UNKNOWN = 0;

	// some vehicles at this stop can be boarded by a rider in a wheelchair
	ACCESSIBLE = 1;

	// wheelchair boarding is not possible at this stop
	NOT_ACCESSIBLE = 2;
	}
	// The exact status of the vehicle with respect to the current stop.
	// Ignored if current_stop_sequence is missing.
	WheelchairBoarding wheelchair_boarding = 12;

	// The extensions namespace allows 3rd-party developers to extend the
	// GTFS specification in order to add and evaluate new features and
	// modifications to the spec.
	google.protobuf.Any extension = 2000;
	reserved 1000 to 1999;
	}

	message Route {
	// The route_id field contains an ID that uniquely identifies a route.
	// The route_id is dataset unique.
	string route_id = 1;

	// The agency_id field defines an agency for the specified route.
	string agency_id = 2;

	// The route_short_name contains the short name of a route.
	string route_short_name = 3;

	// The route_long_name contains the full name of a route.
	string route_long_name = 4;

	// The route_desc field contains a description of a route.
	string route_desc = 5;

	// The route_type field describes the type of transportation used on a route.
	enum RouteType {
	// Tram, Streetcar, Light rail. Any light rail or street level system within a metropolitan area.
	TRAM = 0;

	// Subway, Metro. Any underground rail system within a metropolitan area.
	SUBWAY = 1;

	// Rail. Used for intercity or long-distance travel.
	RAIL = 2;

	// Bus. Used for short- and long-distance bus routes.
	BUS = 3;

	// Ferry. Used for short- and long-distance boat service.
	FERRY = 4;

	// Cable car. Used for street-level cable cars where the cable runs beneath the car.
	CABLECAR = 5;

	// Gondola, Suspended cable car. Typically used for aerial cable cars where the car is suspended from the cable.
	GONDOLA = 6;

	// Funicular. Any rail system designed for steep inclines.
	FUNICULAR = 7;
	}
	RouteType route_type = 6;

	// The route_url field contains the URL of a web page about that particular route.
	string route_url = 7;

	// In systems that have colors assigned to routes, the route_color field defines a color that corresponds to a route.
	// The color must be provided as a six-character hexadecimal number, for example, 00FFFF.
	string route_color = 8;

	// The route_text_color field can be used to specify a legible color to use for text drawn against a background of route_color.
	string route_text_color = 9;

	// The extensions namespace allows 3rd-party developers to extend the
	// GTFS specification in order to add and evaluate new features and
	// modifications to the spec.
	google.protobuf.Any extension = 2000;
	reserved 1000 to 1999;
	}


	message Trip {
	// The route_id field contains an ID that uniquely identifies a route.
	string route_id = 1;

	// The service_id contains an ID that uniquely identifies a set of dates when service is available for one or more routes.
	string service_id = 2;

	// The trip_id field contains an ID that identifies a trip. The trip_id is dataset unique.
	string trip_id = 3;

	// The trip_headsign field contains the text that appears on a sign that identifies the trip's destination to passengers.
	string trip_headsign = 4;

	// The trip_short_name field contains the text that appears in schedules and sign boards to identify the trip to passengers.
	string trip_short_name = 5;

	// The direction_id field contains a binary value that indicates the direction of travel for a trip.
	enum Direction {
	OUTBOUND = 0;

	INBOUND = 1;
	}
	Direction direction_id = 6;

	// The block_id field identifies the block to which the trip belongs.
	// A block consists of two or more sequential trips made using the same vehicle,
	// where a passenger can transfer from one trip to the next just by staying in the vehicle.
	string block_id = 7;

	// The shape_id field contains an ID that defines a shape for the trip.
	string shape_id = 8;

	// The extensions namespace allows 3rd-party developers to extend the
	// GTFS specification in order to add and evaluate new features and
	// modifications to the spec.
	google.protobuf.Any extension = 2000;
	reserved 1000 to 1999;
	}

	message StopTime {
	// The trip_id field contains an ID that identifies a trip. The trip_id is dataset unique.
	string trip_id = 1;

	string arrival_time = 2;
	string departure_time = 3;

	// TODO: Brian why not make this:
	// int32 arrival_time_secs = 2;
	// int32 departure_time_secs = 3;

	string stop_id = 4;
	string stop_sequence = 5;

	string stop_headsign = 6;

	enum AvailabilityType {
	// Tram, Streetcar, Light rail. Any light rail or street level system within a metropolitan area.
	REGULAR = 0;

	// Subway, Metro. Any underground rail system within a metropolitan area.
	NOT_AVAILABLE = 1;

	// Rail. Used for intercity or long-distance travel.
	PHONE = 2;

	// Bus. Used for short- and long-distance bus routes.
	DRIVER = 3;
	}
	AvailabilityType pickup_type = 7;

	AvailabilityType drop_off_type = 8;

	float shape_dist_traveled = 9;

	// The extensions namespace allows 3rd-party developers to extend the
	// GTFS specification in order to add and evaluate new features and
	// modifications to the spec.
	google.protobuf.Any extension = 2000;
	reserved 1000 to 1999;
	}

	message Calendar {
	// The trip_id field contains an ID that identifies a trip. The trip_id is dataset unique.
	string service_id = 1;

	enum CalendarDay {
	NOT_AVAILABLE = 0;
	AVAILABLE = 1;
	}
	CalendarDay monday = 2;
	CalendarDay tuesday = 3;
	CalendarDay wednesday = 4;
	CalendarDay thursday = 5;
	CalendarDay friday = 6;
	CalendarDay saturday = 7;
	CalendarDay sunday = 8;

	string start_date = 9;
	string end_date = 10;

	// The extensions namespace allows 3rd-party developers to extend the
	// GTFS specification in order to add and evaluate new features and
	// modifications to the spec.
	google.protobuf.Any extension = 2000;
	reserved 1000 to 1999;
	}

	message CalendarDate {
	// The trip_id field contains an ID that identifies a trip. The trip_id is dataset unique.
	string service_id = 1;

	string date = 2;

	enum ExceptionType {
	UNUSED_UNKNOWN = 0;
	ADDED = 1;
	REMOVED = 2;
	}
	ExceptionType exception_type = 3;

	// The extensions namespace allows 3rd-party developers to extend the
	// GTFS specification in order to add and evaluate new features and
	// modifications to the spec.
	google.protobuf.Any extension = 2000;
	reserved 1000 to 1999;
	}

	message FareAttribute {
	string fare_id = 1;
	float price = 2;
	string currency_type = 3;

	enum PaymentMethod {
	ONBOARD = 0;
	PREBOARDING = 1;
	}
	PaymentMethod payment_method = 4;

	enum Transfers {
	NO = 0;
	ONCE = 1;
	TWICE = 2;
	UNLIMITED = 3;
	}
	Transfers transfers = 5;

	int32 transfer_duration = 6;

	// The extensions namespace allows 3rd-party developers to extend the
	// GTFS specification in order to add and evaluate new features and
	// modifications to the spec.
	google.protobuf.Any extension = 2000;
	reserved 1000 to 1999;
	}

	message FareRule {
	string fare_id = 1;
	string route_id = 2;
	string origin_id = 3;
	string destination_id = 4;
	string contains_id = 5;
	// The extensions namespace allows 3rd-party developers to extend the
	// GTFS specification in order to add and evaluate new features and
	// modifications to the spec.
	google.protobuf.Any extension = 2000;
	reserved 1000 to 1999;
	}

	message Shape {
	string shape_id = 1;
	float shape_pt_lat = 2;
	float shape_pt_lon = 3;
	int32 shape_pt_sequence = 4;
	float shape_dist_traveled = 5;

	// The extensions namespace allows 3rd-party developers to extend the
	// GTFS specification in order to add and evaluate new features and
	// modifications to the spec.
	google.protobuf.Any extension = 2000;
	reserved 1000 to 1999;
	}

	message Frequency {
	string trip_id = 1;
	string start_time = 2;
	string end_time = 3;
	int32 headway_secs = 4;
	enum ScheduleType {
	NOT_EXACTLY = 0;
	EXACTLY = 1;
	}
	ScheduleType exact_times = 5;
	// The extensions namespace allows 3rd-party developers to extend the
	// GTFS specification in order to add and evaluate new features and
	// modifications to the spec.
	google.protobuf.Any extension = 2000;
	reserved 1000 to 1999;
	}

	message Transfer {
	string from_stop_id = 1;
	string to_stop_id = 2;
	enum TransferType {
	RECOMMENDED = 0;
	TIMED = 1;
	MINIMUM = 2;
	NOT_POSSIBLE = 3;
	}
	TransferType transfer_type = 3;

	int32 min_transfer_time = 4;

	// The extensions namespace allows 3rd-party developers to extend the
	// GTFS specification in order to add and evaluate new features and
	// modifications to the spec.
	google.protobuf.Any extension = 2000;
	reserved 1000 to 1999;
	}