At about 3 p.m. Thursday, on the Upper West Side, a 1 train carrying about 300 passengers and an out-of-service Metropolitan Transportation Authority train with four workers on board hit each other near the 96th Street station, police and transit officials said at the scene. A "derailment" is when at least one wheel of a train leaves the track.Photos posted on social media by city emergency management officials showed the passenger train partially off the tracks in an area that had a track-switc

Knowing: Official Clip - Subway Hell