Shown above is the interstate highway network in the United States.
Most are classified as either an "I" for interstate or a "S" for state route.
FUN FACT: even numbered roads always run east to west while odd numbered ones always go north to south.
Hover over each route to find out more! And feel free to click the button again to change units.
Data retrieved from
GeoData @ UC Berkeley.
Boundary files courtesy of the
US Census Bureau.
Background image taken from WallpaperAccess.