https://www.techdirt.com/articles/20200331/06435544204/broadband-speeds-dip-major-cities-due-to-covid-19.shtml

Generally speaking, experts believe the U.S. internet should hold up pretty well under the significant new strain created by COVID-19. Italy and China's networks have generally weathered the added load, and most major U.S. ISPs say congestion shouldn't be a problem. Streaming providers have been reducing their overall bandwidth consumption as a precautionary measure, though generally many providers say they've seen greater impact from events like the Superbowl.

That's not to say there won't be a few hiccups. A new report by broadband availability tracking firm BroadbandNow indicates that a number of cities are seeing slowdowns under the weight of millions of additional telecommuters and videoconferencing students. That said, most cities aren't seeing any sort of devastating slowdowns as of yet: