GTFS reference

The data from the official GTFS specification document parsed to a list. Revision date: 2026-04-27.

Usage

gtfs_reference

Format

A list with data for every GTFS file. Each named list element (also a list) has specifications for one GTFS file in the following structure:

• File_Name: file name including file extension (txt or geojson)

• File_Presence: Presence condition applied to the file

• file: file name without file extension

• file_ext: file extension

• fields: data.frame with parsed field specification (columns: Field_Name, Type, Presence, Description, gtfsio_type)

• primary_key: primary key as vector

• field_types: named vector on how GTFS types (values) should be read in gtfsio (names). Values are the same as in fields.

Source

https://github.com/google/transit/blob/master/gtfs/spec/en/reference.md

Details

GTFS Types are converted to R types in gtfsio according to the following list:

• Array = geojson_array

• Color = character

• Currency amount = numeric

• Currency code = character

• Date = integer

• Email = character

• Enum = character, integer

• Float = numeric

• ID = character

• Integer = integer

• Language code = character

• Latitude = numeric

• Local time = character

• Longitude = numeric

• Non-negative float = numeric

• Non-negative integer = integer

• Non-null integer = integer

• Non-zero integer = integer

• Object = geojson_object

• Phone number = character

• Positive float = numeric

• Positive integer = integer

• String = character

• Text = character

• Text or URL or Email or Phone number = character

• Time = character

• Timezone = character

• URL = character

• Unique ID = character