IDOT Districts

Source: R/data.R

The nine highway districts covering the entire state of Illinois, as defined by the Illinois Department of Transportation (IDOT). Includes a column indicating which of the five transportation regions each district belongs to. Created using the county boundaries in the US Census Bureau's TIGER/Line shapefiles, 2023 vintage.

idot_sf

Format

A polygon sf object with 9 rows and 4 variables:

district

District ID, assigned by IDOT. Character.

region

Region ID, assigned by IDOT. Character.

sqmi

Area in square miles. Double.

geometry

Feature geometry. sf polygon.

Source

US Census Bureau TIGER/Line counties, aggregated into IDOT Regions

Examples

# Display the IDOT districts/regions with ggplot2
library(ggplot2)
ggplot(idot_sf) + geom_sf(aes(fill = region), lwd = 0.1) + theme_void()