[Serious] First Google result

The real question is why does Overbrook's Ansonia Place, which has been abandoned and closed for over 25 years due to flooding, still have an active traffic light on Route 51.

To answer your question, there was nothing mysterious about it. The houses were bought and vacated due to a road construction project

I wondered this for a long time but now I am fairly certain that it is for the ped crossing that is there