Welders connect iron support bars during construction inside the cavern of the Second Avenue subway tunnel at 86th Street, Thursday May 1, 2014 in New York. The $4.45 billion project to extend the Q ... more 
Welders connect iron support bars during construction inside the cavern of the Second Avenue subway tunnel at 86th Street, Thursday May 1, 2014 in New York. The $4.45 billion project to extend the Q line up and down Second Avenue in Manhattan is expected to be ready for riders by the end of 2016. (AP Photo/Bebeto Matthews) less 
1 / 1
Associated Press | Photo By Bebeto Matthews
Thu, May 1, 2014 7:09 PM EDT