There are bad Metro trips, and then there are terrible ones, the kind without air conditioning, working escalators, or accurate travel information. The latter has inspired an entire Twitter subculture devoted to picking apart the transit agency’s failings—-one that’s become so vocal that Metro’s Twitter handler actually blocked @FixWMATA, one of its most prolific nags. Which self-appointed complaint department should you follow first? Help us help you.

Graphic by Carey Jordan