In this Tuesday, Jan. 29, 2013 photo, contractors work on the East Side Access project beneath midtown Manhattan, in New York. The East Side Access is one of three bold projects under New York that will expand what's already the nation's biggest mass-transit system by 2019. (AP Photo/Mary Altaffer)

Associated Press
In this Tuesday, Jan. 29, 2013 photo, contractors work on the East Side Access project beneath midtown Manhattan, in New York. The East Side Access is one of three bold projects under New York that will expand what's already the nation's biggest mass-transit system by 2019. (AP Photo/Mary Altaffer)
In this Tuesday, Jan. 29, 2013 photo, contractors work on the East Side Access project beneath midtown Manhattan, in New York. The East Side Access is one of three bold projects under New York that will expand what's already the nation's biggest mass-transit system by 2019. (AP Photo/Mary Altaffer)