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gtfsio

gtfsio offers tools for the development of GTFS-related packages. It establishes a standard for representing GTFS feeds using R data types based on the GTFS Schedule Reference. It provides fast and flexible functions to read and write GTFS feeds while sticking to this standard. It defines a basic gtfs class which is meant to be extended by packages that depend on it. And it also offers utility functions that support checking the structure of GTFS objects.

Installation

Stable version:

install.packages("gtfsio")

Development version:

install.packages("gtfsio", repos = "https://r-transit.r-universe.dev")

# or
# install.packages("remotes")
remotes::install_github("r-transit/gtfsio")

Usage

GTFS feeds are read using the import_gtfs() function:

library(gtfsio)

path <- system.file("extdata/ggl_gtfs.zip", package = "gtfsio")

gtfs <- import_gtfs(path)

names(gtfs)
#>  [1] "calendar_dates"  "fare_attributes" "fare_rules"      "feed_info"      
#>  [5] "frequencies"     "levels"          "pathways"        "routes"         
#>  [9] "shapes"          "stop_times"      "stops"           "transfers"      
#> [13] "translations"    "trips"           "agency"          "attributions"   
#> [17] "calendar"

import_gtfs() returns a gtfs object which is a list of a tables. The gtfs class might be extended by other packages using the constructor, validator and methods provided by gtfsio:

class(gtfs)
#> [1] "gtfs" "list"

Use export_gtfs() to write GTFS objects to disk:

tmpf <- tempfile(fileext = ".zip")

export_gtfs(gtfs, tmpf)

zip::zip_list(tmpf)$filename
#>  [1] "calendar_dates.txt"  "fare_attributes.txt" "fare_rules.txt"     
#>  [4] "feed_info.txt"       "frequencies.txt"     "levels.txt"         
#>  [7] "pathways.txt"        "routes.txt"          "shapes.txt"         
#> [10] "stop_times.txt"      "stops.txt"           "transfers.txt"      
#> [13] "translations.txt"    "trips.txt"           "agency.txt"         
#> [16] "attributions.txt"    "calendar.txt"

For a more complete demonstration please read the introductory vignette.

GTFS-related packages

• {tidytransit}
• {gtfs2gps}
• {gtfsrouter}
• {gtfstools}

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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