Earlier quoted context omitted.
The few historical evacuations of >1mil people have often been over the course of 7+days, as well as over very large areas. The only _successful_ evacuation of a major metropolitan area (>3mil) in 20k causalities so it is hard to call that successful.
I beg to differ. Exodus of ~1m people in about one day is frequently observed in Europe. It can't be done with cars, of course, because cars are not a means of mass transportation. It can be done easily with trains, though. Example: Street Parade Zurich, attended by about a million people. Virtually all of those people arrive by train immediately before the event, and are gone the next day. Watching > 100k people pou…
I bet not even Europe or China can figure out how to suddenly house/feed a million people who had to evacuate from a city for a few days, or even overnight.