What you didn't see, for months on end, was any actual work going on. As far as I can tell, the entirity of the project involved setting up signs and cones, and then leaving them in place for a very, very long time.
Thus it was with considerable amusement (and just a hint of satisfaction) that my wife and I noted that someone had modified one the signs (with spray paint). (Well, spray paint and snark.)
The sign now read:
...Which was pretty hard to argue, under the circumstances.