Riverdale station is a commuter rail stop on the Metro-North Railroad's Hudson Line, serving the Riverdale neighborhood of the Bronx, New York City. The Riverdale station, located at the foot of West 254th Street, is the northernmost Metro-North station in the Bronx. As of August 2006, daily commuter ridership was 543 and there were 153 parking spaces.
The Riverdale Metro-North station
Southbound Metro North train passing through Riverdale station. Looking north from 254th street bridge.
Since the late 20th century, the Metropolitan Transportation Authority has started several projects to maintain and improve the New York City Subway. Some of these projects, such as subway line automation, proposed platform screen doors, the FASTRACK maintenance program, and infrastructural improvements proposed in 2015–2019 Capital Program, contribute toward improving the system's efficiency. Others, such as train-arrival "countdown clocks", "Help Point" station intercoms, "On the Go! Travel Station" passenger kiosks, wireless and cellular network connections in stations, MetroCard fare payment alternatives, and digital ads, are meant to benefit individual passengers. Yet others, including the various methods of subway construction, do not directly impact the passenger interface, but are used to make subway operations efficient.
53rd Street, an "enhanced" subway station
Cross-section of the first subway
For the first IRT subway line, pictured at 59th Street – Columbus Circle, cut-and-cover was used as a form of construction.
Recent projects, like the extension of the IRT Flushing Line (pictured) use tunnel boring machines to build the subway tunnels.