get_active_services: Get active services

In gtfstools: General Transit Feed Specification (GTFS) Editing and Analysing Tools

Get active services

Description

Returns the services that are active on the given dates.

Usage

get_active_services(gtfs, date)

Arguments

gtfs	A GTFS object, as created by read_gtfs().
date	A Date vector (including IDate) or a character vector of dates in the "YYYYMMDD" or "YYYY-MM-DD" formats.

Value

A data.table with the columns date (of class Date) and service_id, with one row for each service active on each of the given dates, sorted by date and then by service_id (in the C locale, so uppercase letters come before lowercase ones). Dates on which no service is active have no rows. service_id is never NA.

Details

A service is active on a date if its calendar entry spans the date and flags its weekday, unless the date is removed from it in calendar_dates (exception_type 2), or if the date is added to it in calendar_dates (exception_type 1). An addition wins over a removal on the same date, and either table may be missing. If the trips table has a service_id field, services not used by any trip are not returned, as in get_dates(). If no service is active, an empty table is returned without a warning.

See Also

get_dates(), filter_by_date()

Examples

data_path <- system.file("extdata/ggl_gtfs.zip", package = "gtfstools")
gtfs <- read_gtfs(data_path)

get_active_services(gtfs, "20060703")

# several dates, also as Date objects. only the weekend service "WE" is
# returned, because the weekday service "WD" is not used by any trip
get_active_services(gtfs, as.Date(c("2006-07-01", "2006-07-05")))

gtfstools documentation built on Oct. 28, 2026, 5:13 p.m.