New York City's Transit Authority (NYCT) says the first of two 1,000 ton tunnel boring machines (TBM) has completed its 4,661 foot run to a chamber adjacent to the current terminus for the no 7 subway train underneath 42nd Street in Manhattan. The $2.1 billion project is to extend Line 7 to 34th Str
This content is for Premium Subscribers only. To view this content, login below or subscribe as a Premium Subscriber.
