The 116th Street–Columbia University station is a local station on the IRT Broadway–Seventh Avenue Line of the New York City Subway. It is located at the intersection of Broadway and 116th Street in Morningside Heights, Manhattan, just outside the west gate to the main campus of Columbia University and the southeast corner of the Barnard College campus. The station is served by the 1 train at all times. The 116th Street station was constructed for the Interborough Rapid Transit Company (IRT) as part of the city's first subway line, which was approved in 1900. Construction of the line segment that includes 116th Street began on June 18 of the same year. The station opened on October 27, 1904, as one of the original 28 stations of the New York City Subway. The station's platforms were lengthened in 1948 to accommodate ten-car trains, the station's median entrance was replaced in the 1960s, and the station was renovated in the 2000s. The 116th Street station contains two side platforms and three tracks; the center track is not used in regular service. The station was built with tile and mosaic decorations. The mezzanine above the platforms contains exits to 116th Street and Broadway, and the northbound platform contains an additional exit to 115th Street. The original section of the station is a New York City designated landmark and listed on the National Register of Historic Places. History Construction and opening Planning for a subway line in New York City dates to 1864. However, development of what would become the city's first subway line did not start until 1894, when the New York State Legislature authorized the Rapid Transit Act. The subway plans were drawn up by a team of engineers led by William Barclay Parsons, chief engineer of the Rapid Transit Commission. It called for a subway line from New York City Hall in lower Manhattan to the Upper West Side, where two branches would lead north into the Bronx. A plan was formally adopted in 1897, and all legal conflicts concerning the route alignment were resolved near the end of 1899. The Rapid Transit Construction Company, organized by John B. McDonald and funded by August Belmont Jr., signed the initial Contract 1 with the Rapid Transit Commission in February 1900, under which it would construct the subway and maintain a 50-year operating lease from the opening of the line. In 1901, the