.... it was a lot worse than this photo of Pennsylvania Avenue in 1918, but back then they didn't have 4 wheel drive.
Washington, DC only gets a white Christmas about 13% of the time, so when it snows, all the photographers scramble to the National Mall to get their winter wonderland photos that you see on posters and postcards. In reality, it doesn't snow much here. But here's a photo of the National Museum of the American Indian post-snowfall. Around my neighborhood in the Baltimore area, we ended up with about 20 inches.