rails {tigris} | R Documentation |
Download a national rails shapefile into R
Description
National dataset for US railroads, including carlines, streetcars, monorails, mass transit, cog rail, incline rail, and trams.
Usage
rails(year = NULL, ...)
Arguments
year |
the data year; defaults to 2022 |
... |
arguments to be passed to internal function |
Additional Arguments
Additional arguments that can be passed in ...
are:
-
class
Desired class of return object:"sf"
(the default) or"sp"
. sp classes should be considered deprecated as of tigris version 2.0, but legacy support is still available. -
progress_bar
If set toFALSE
, do not display download progress bar (helpful for R Markdown documents). Defaults toTRUE
. -
keep_zipped_shapefile
If set toTRUE
, do not delete zipped shapefile (stored in temporary directory orTIGRIS_CACHE_DIR
depending on the configuration of global option"tigris_use_cache"
). Defaults toFALSE
. -
refresh
Whether to re-download cached shapefiles (TRUE
orFALSE
) . The default is eitherFALSE
or the value of global option"tigris_refresh"
if it is set. Specifying this argument will override the behavior set in"tigris_refresh"
global option. -
filter_by
Geometry used to filter the output returned by the function. Can be an sf object, an object of classbbox
, or a length-4 vector of formatc(xmin, ymin, xmax, ymax)
that can be converted to a bbox. Geometries that intersect the input tofilter_by
will be returned.
See Also
https://www2.census.gov/geo/pdfs/maps-data/data/tiger/tgrshp2020/TGRSHP2020_TechDoc.pdf
Other transportation functions:
address_ranges()
,
primary_roads()
,
primary_secondary_roads()
,
roads()
Examples
## Not run:
library(tigris)
rls <- rails()
plot(rls$geometry)
## End(Not run)