The District Department of Transporation’s Twitter feed (@DDOTDC) just sent out this image of a pretty hilarious sign that’s posted somewhere in the city. Anybody recognize where it is, and/or have any guesses as to what on earth it means? We’re pestering DDOT to find out, and they’re playing the whole thing awfully coy, but we’ll hopefully get back to you with the answer soon. All we can venture right now is that if a sign stating “research program demonstration project on signage” is causing a lot of people to notice the sign, then said project is surely a wild success.