New York City has one of the world’s biggest subway systems, but some areas of the city are poorly served. Even though New York City has the most extensive subway system in the Americas, less than two-thirds of the city’s population actually lives within walking distance of a station.
For the last 15 years, construction crews have been blasting, boring and building an entirely new concourse beneath Grand Central – all without shutting down service. . . . and without many commuters even knowing that it’s happening.
Learn more here from TheB1M.com or see the video below.
