Interborough Rapid Transit Company

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Commuter railroad service in Brooklyn dates to 1834 and the founding of the Long Island Railroad (LIRR) during that year. Originally conceived as a means to connect Brooklyn to Boston, Massachusetts more directly, the LIRR played a significant role in the development and economic growth of Long Island's suburban communities, particularly after the railroad was directly linked to Manhattan in the 1880s. As of 2010, the LIRR is the largest and busiest commuter railroad in the United States, with tracks spanning from Penn Station in Manhattan to the far eastern reaches of Long Island, and a daily ridership of over 200,000 commuters.

The Interborough Rapid Transit Company (IRT) began construction of the first subway line in New York City in 1900. In 1909, construction began on Brooklyn's first subway line, the 4th Avenue subway. To encourage the rapid growth of subway construction, in 1913 the City of New York divided the disbursement of contracts between two companies: the IRT and the Brooklyn Rapid Transit Company (BRT), which was later renamed the Brooklyn-Manhattan Transit Corporation (BMT). Under the "dual contract" system, the IRT was awarded rights to expand the existing Manhattan, Brooklyn, and Bronx lines, while the BMT was awarded contracts for the construction of new lines in Manhattan, Brooklyn, and Queens. In the 1920s, the city-owned Independent Subway System (IND) was established to further expand the capacity of the city's subway system, as well as to compete with the privately-owned IRT and BMT. The IND's first completed line, the Eighth Avenue subway, opened in 1932.

In 1940, the IRT and BMT were acquired by the city and all three lines were consolidated with the IND into the New York City Board of Transportation. In 1953, the New York City Transit Authority (NYCTA) was established as a public benefit corporation to operate the subway system, and in 1968 the NYCTA was placed under the control of the Metropolitan Transit Authority, which continues to oversee and operate New York City's subway system as of 2010.

Sources: "History of Public Transportation in New York City," New York Transit Museum, accessed December 9, 2010, http://www.transitmuseumeducation.org/trc/background

From the guide to the Brooklyn railroad and subway collection, 1853-1958, (Brooklyn Historical Society)

Archival Resources
Role Title Holding Repository
referencedIn Pennsylvania Railroad Company. Executive Dept. Office of Vice President Samuel Rea. Records, 1866-1916 (bulk 1905-1912). Hagley Museum & Library
referencedIn Transport Workers Union of America Printed Ephemera Collection, 1920-2009 Tamiment Library and Robert F. Wagner Labor Archives
creatorOf J.P. Morgan & Co. Interborough Rapid Transit Co. financing : syndicate records, 1910 Sept. 15. Pierpont Morgan Library.
creatorOf J.P. Morgan & Co. Interborough Rapid Transit Co. notes : syndicate records, 1913 Jan. 28. Pierpont Morgan Library.
referencedIn August Belmont papers, ca. 1880-1938, 1904-1925 New York Public Library. Manuscripts and Archives Division
creatorOf J.P. Morgan & Co. Interborough Rapid Transit 4% three year notes : syndicate records, 1905 May 09. Pierpont Morgan Library.
creatorOf J.P. Morgan & Co. Rapid Transit Subway Construction Co. : syndicate records, 1900 Feb. 7. Pierpont Morgan Library.
referencedIn Architect & Engineer File, 1811-1989 New-York Historical Society
referencedIn New York City Railroads Car Body Reports, 1908-1973 (bulk 1908-1943) New-York Historical Society
referencedIn Transport Workers Union of America Printed Ephemera Collection, 1920-2009 Tamiment Library and Robert F. Wagner Labor Archives
referencedIn Indiana University Oral History Archive, 1991-1998 Indiana University, Bloomington. Center for the Study of History and Memory
creatorOf J.P. Morgan & Co. Loan to Interborough Rapid Transit Co. : syndicate records, 1911 Sept. 06. Pierpont Morgan Library.
creatorOf New York (State). Public Service Commission. First District. New York City railroads car body reports, 1908-1973 (bulk 1908-1943). Churchill County Museum
referencedIn O'Reilly, Gerald, 1903-1990. Papers, 1934-1988. Churchill County Museum
creatorOf J.P. Morgan & Co. Interborough Rapid Transit Co. bonds syndicate : syndicate records, 1912 June 05. Pierpont Morgan Library.
referencedIn Phoenix Bridge Company. Records, 1874-1963. Hagley Museum & Library
referencedIn Wilmington Trust Company. Trust Dept. Investment analysis files ("I-M"), 1909-1959 (bulk 1931-1954). Hagley Museum & Library
referencedIn Briefs, 1928-1976 Harvard Law School Library Langdell Hall Cambridge, MA 02138
referencedIn William F. Reeves Elevated Railroads Photograph Collection, [1868]-1933 New-York Historical Society
referencedIn Parsons, William Barclay, 1859-1932. Diary of Wm. Barclay Parsons, chief engineer Rapid Transit Commission, from the beginning fo work, March 26, 1900, to his resignation as chief engineer, December 31, 1904. Columbia University in the City of New York, Columbia University Libraries
creatorOf J.P. Morgan & Co. Interborough Rapid Transit Co. 6 mos. secured 7% notes dated Dec. 31, 1919 : syndicate records, 1918 Sept. 10. Pierpont Morgan Library.
creatorOf J.P. Morgan & Co. Interborough Rapid Transit pool : syndicate records, 1903 Aug. 13. Pierpont Morgan Library.
referencedIn Guide to the Transport Workers Union of America Records, 1911-2007 Tamiment Library and Robert F. Wagner Labor Archives
creatorOf J.P. Morgan & Co. Interborough Rapid Transit Co. financing plan : syndicate records, 1912 Apr. 09. Pierpont Morgan Library.
creatorOf J.P. Morgan & Co. Interborough Rapid Transit 3 yr conv 6% notes syndicate : syndicate records, 1908 Apr. 21. Pierpont Morgan Library.
referencedIn Gerald O'Reilly Papers, Bulk, 1944-1947, 1934-1988, (Bulk 1944-1947) Tamiment Library and Robert F. Wagner Labor Archives
referencedIn Guide to the Transport Workers Union of America Records, 1911-2007 Tamiment Library and Robert F. Wagner Labor Archives
creatorOf J.P. Morgan & Co. Interborough Rapid Transit Co. notes : syndicate records, 1912 Apr. 16. Pierpont Morgan Library.
creatorOf J.P. Morgan & Co. Interborough Rapid Transit 3 yr. conv 6% gold notes syndicate : syndicate records, 1908 Apr. 25. Pierpont Morgan Library.
creatorOf Brooklyn railroad and subway collection, 1853-1958 Center for Brooklyn History (2020-)
referencedIn Maurice Forge Papers, Bulk, 1947-1950, 1936-1986, (Bulk 1947-1950) Tamiment Library and Robert F. Wagner Labor Archives
referencedIn Downtown Brooklyn Development Association records, 1929-1971 Center for Brooklyn History (2020-)
referencedIn Guide to the Transport Workers Union of America Records, 1911-2007 Tamiment Library and Robert F. Wagner Labor Archives
creatorOf J.P. Morgan & Co. Interborough Rapid Transit Co. one year 4 1/2% notes : syndicate records, 1911 Apr. 26. Pierpont Morgan Library.
referencedIn Transport Workers Union of America: Locals Records, Bulk, 1940-1970, 1931-2008 Tamiment Library and Robert F. Wagner Labor Archives
Role Title Holding Repository
Place Name Admin Code Country
Brooklyn (New York, N.Y.)
Subject
Local transit
Railroad companies
Railroad companies
Subways
Occupation
Activity

Corporate Body

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