The Second Avenue subway line currently under construction in New York City is one of the largest infrastructure projects under way in the United States.
According to the Metropolitan Transportation Authority (MTA) information,
The Second Avenue Subway will be New York City’s first major expansion of the subway system in over 50 years. When fully completed, the line will stretch 8.5 miles along the length of Manhattan’s East Side, from 125th Street in Harlem to Hanover Square in Lower Manhattan. In addition, a track connection to the existing 63rd Street and Broadway Lines, will allow a second subway line to provide direct service from East Harlem and the Upper East Side to West Midtown via the Broadway express tracks.
In all, 16 new stations will be built, serving communities in Harlem, the Upper East Side, East Midtown, Gramercy Park, East Village, the Lower East Side, Chinatown and Lower Manhattan…
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