Every point in the lower 48 is colored by its nearest north–south (odd) and nearest east–west (even) Interstate. Pick a palette, build your own, or let the map drift through all of them.
The Interstate Electoral College
The 54 zones of the major-routes map as states, replaying the 2024 presidential election.
Hover or tap a zone. 270 to win.
Population: Census 2020 block groups. Votes: 2024 county results, shared out within each county by population. Each zone gets 2 electoral votes plus House seats by Huntington–Hill, for 538 in all (Alaska and Hawaii aren’t on the map). Winner takes all; deeper color means a wider margin.
Blue × yellow
Hover or tap a map to read a region’s two route numbers.