Download a national primary roads shapefile into R
From the Census Bureau: "Primary roads are generally divided, limited-access highways within the Federal interstate highway system or under state management. These highways are distinguished by the presence of interchanges and are accessible by ramps and may include some toll highways."
primary_roads(year = NULL, ...)
year |
the data year (defaults to 2019). |
... |
arguments to be passed to the underlying 'load_tiger' function, which is not exported.
Options include |
Other transportation functions:
address_ranges(),
primary_secondary_roads(),
rails(),
roads()
## Not run: library(tigris) rds <- primary_roads() plot(rds$geometry) ## End(Not run)
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