First the solar spectacle...then the traffic jam.
Enough Americans watched the total eclipse from inside (or near) their cars for the aftermath of the phenomenon to show up on national traffic maps.
A screen grab of national traffic patterns on Google Maps shows a series of traffic jams following the path of the event across the U.S.
Several people noticed the pattern and posted similar screenshots on Twitter:
One person, Josh Mogerman of the National Resources Defense Council, posted a photo of what traffic looked like in Missouri: