What to do when Metro announces an unprecedented 24-hour closure of its rail system to deal with sudden, urgent safety problems?

Tweet, of course. If you’re worried about how you’ll get to work on Wednesday or whether it’s even safe to ride home from work tonight, before the Metrorail system closes at midnight, Twitter is always here to help you laugh to keep from crying.

A few of our favorite reactions:

Some tried to come up with alternate means of transportation:

Including one of the District’s very own transit systems. Too bad it covers only 2 percent of the mileage that Metro won’t be covering Wednesday.