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Signaling Of The New York City Subway
Most trains on the New York City Subway are manually operated. , the system currently uses Automatic Block Signaling, with fixed wayside signals and automatic train stops. Many portions of the signaling system were installed between the 1930s and 1960s. Because of the age of the subway system, many replacement parts are unavailable from signaling suppliers and must be custom built for the New York City Transit Authority, which operates the subway. Additionally, some subway lines have reached their train capacity limits and cannot operate extra trains in the current system. There have been two different schemes of signaling in the system. The current scheme is used on all A Division and B Division lines, originally built to the Brooklyn–Manhattan Transit Corporation (BMT) and Independent Subway System (IND)'s specifications. An older system was previously used on all of the A Division, but with the conversion of the IRT Dyre Avenue Line signals to the B Division scheme in Sept ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Montague Tube Fix&Fortify Repair Work (14995799149)
Montague may refer to: Places Australia * Montague Road, Adelaide * Montague, a neighbourhood in South Melbourne, Victoria * Montague Street Bridge, South Melbourne * Montague railway station, South Melbourne Canada * Montague, Ontario ** Smiths Falls-Montague Airport * Montague, Prince Edward Island ** Lower Montague, Prince Edward Island ** Montague-Kilmuir, an electoral district * Montague Gold Mines, Nova Scotia * Montague Harbour ** Montague Harbour Marine Provincial Park * Montague Road, Prince Edward Island United Kingdom * Montague Road, London * Montague Street, London * Shepton Montague Somerset, England *Montagu House, Bloomsbury, the first home of the British Museum, also known as ''Montague House'' *Montagu House, Portman Square, built for Elizabeth Montagu on Portman Square *Montagu House, Whitehall, another London mansion United States * Montague Island (Alaska) * Montague, California ** Montague Airport (California) ** County Route G4 (California), the Mon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
YouTube
YouTube is a global online video sharing and social media platform headquartered in San Bruno, California. It was launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim. It is owned by Google, and is the second most visited website, after Google Search. YouTube has more than 2.5 billion monthly users who collectively watch more than one billion hours of videos each day. , videos were being uploaded at a rate of more than 500 hours of content per minute. In October 2006, YouTube was bought by Google for $1.65 billion. Google's ownership of YouTube expanded the site's business model, expanding from generating revenue from advertisements alone, to offering paid content such as movies and exclusive content produced by YouTube. It also offers YouTube Premium, a paid subscription option for watching content without ads. YouTube also approved creators to participate in Google's AdSense program, which seeks to generate more revenue for both parties. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Interborough Rapid Transit Company
The Interborough Rapid Transit Company (IRT) was the private operator of New York City's original underground subway line that opened in 1904, as well as earlier elevated railways and additional rapid transit lines in New York City. The IRT was purchased by the city in June 1940, along with the younger BMT and IND systems, to form the modern New York City Subway. The former IRT lines (the numbered routes in the current subway system) are now the A Division or IRT Division of the Subway. History The first IRT subway ran between City Hall and 145th Street at Broadway, opening on October 27, 1904. It opened following more than twenty years of public debate on the merits of subways versus the existing elevated rail system and on various proposed routes. Founded on May 6, 1902, by August Belmont, Jr., the IRT's mission was to operate New York City's initial underground rapid transit system after Belmont's and John B. McDonald's Rapid Transit Construction Company was aw ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Times Square–42nd Street/Port Authority Bus Terminal (New York City Subway)
Time is the continued sequence of existence and events, and a fundamental quantity of measuring systems. Time or times may also refer to: Temporal measurement * Time in physics, defined by its measurement * Time standard, civil time specification * Horology, study of the measurement of time * Chronometry, science of the measurement of time * Metre (music), the grouping of basic temporal units, called beats, into regular measures ** Time signature, notational convention for the metre Businesses * Time (bicycle company), a French bicycle manufacturer * Time Inc., an American publisher of periodicals * Time Computer Systems, a British brand of Granville Technology Group * TIME Hotels Management, a UAE hotel management company Mathematics and its typography * Times, the operation used for multiplication in mathematics * Times symbol × Computing * Time (metadata), a representation term * time (Unix), a shell command on Unix and Unix-like operating systems * TIME (command), a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Ferry/Whitehall Street (New York City Subway)
The South Ferry/Whitehall Street station is a New York City Subway station complex in the Financial District neighborhood of Manhattan, under Battery Park. The complex is shared by the IRT Broadway–Seventh Avenue Line and the BMT Broadway Line. It is served by the 1 and R trains at all times, the N train during late nights only, and the W train during weekdays only. The complex originally consisted of three separate stations. In 1905, the Interborough Rapid Transit Company (IRT) opened a balloon loop at South Ferry, serving the IRT Broadway–Seventh Avenue and IRT Lexington Avenue Lines. The Brooklyn–Manhattan Transit Corporation (BMT) opened its station at Whitehall Street in 1918. The same year, the IRT opened a second loop for the IRT Lexington Avenue Line on the inside of the existing loop; the two loop stations were not connected to each other nor to the BMT station. Despite their proximity, the stations remained separate for 91 years. In the early 2000s, as par ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brooklyn Bridge–City Hall/Chambers Street (New York City Subway)
Brooklyn () is a Boroughs of New York City, borough of New York City, coextensive with Kings County, in the U.S. state of New York (state), New York. Kings County is the most populous Administrative divisions of New York (state)#County, county in the State of New York, and the County statistics of the United States#Most densely populated, second-most densely populated county in the United States, behind New York County (Manhattan). Brooklyn is also New York City's most populous borough,2010 Gazetteer for New York State United States Census Bureau. Retrieved September 18, 2016. with 2,736,074 residents in 2020. Named after the Dutch village of Breukelen, Brooklyn is located on the western portion of Long Island and shares a border with the borough of Queens. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
14th Street–Union Square (IRT Lexington Avenue Line)
14 (fourteen) is a natural number following 13 and preceding 15. In relation to the word "four" ( 4), 14 is spelled "fourteen". In mathematics * 14 is a composite number. * 14 is a square pyramidal number. * 14 is a stella octangula number. * In hexadecimal, fourteen is represented as E * Fourteen is the lowest even ''n'' for which the equation φ(''x'') = ''n'' has no solution, making it the first even nontotient (see Euler's totient function). * Take a set of real numbers and apply the closure and complement operations to it in any possible sequence. At most 14 distinct sets can be generated in this way. ** This holds even if the reals are replaced by a more general topological space. See Kuratowski's closure-complement problem * 14 is a Catalan number. * Fourteen is a Companion Pell number. * According to the Shapiro inequality 14 is the least number ''n'' such that there exist ''x'', ''x'', ..., ''x'' such that :\sum_^ \frac < \frac where ''x'' = ''x'', ''x'' = ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hoyt–Schermerhorn Streets Station
The Hoyt–Schermerhorn Streets station (shown as "Hoyt-Schermerhorn" on official subway maps) is an express station of the New York City Subway, serving the IND Crosstown Line and the IND Fulton Street Line. Located at the intersection of Hoyt Street and Schermerhorn Street in Downtown Brooklyn, it is served by the A and G trains at all times, and the C train at all times except late nights. Hoyt–Schermerhorn Streets was originally built as an interchange station between the Fulton Street and Crosstown lines of the Independent Subway System (IND). Construction of the station began around 1929, and it was opened to service on April 9, 1936. Hoyt–Schermerhorn Streets has six tracks and four island platforms, with two platforms and three tracks for each direction of service. The innermost tracks in each direction originally served Crosstown Line trains, while the center tracks were supposed to serve Fulton Street express trains and the outermost tracks were supposed to s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bowling Green NYCS Signal-1
Bowling is a target sport and recreational activity in which a player rolls a ball toward pins (in pin bowling) or another target (in target bowling). The term ''bowling'' usually refers to pin bowling (most commonly ten-pin bowling), though in the United Kingdom and Commonwealth countries, bowling could also refer to target bowling, such as lawn bowls. In pin bowling, the goal is to knock over pins on a long playing surface known as a ''lane''. Lanes have a wood or synthetic surface onto which protective lubricating oil is applied in different specified oil patterns that affect ball motion. A strike is achieved when all the pins are knocked down on the first roll, and a spare is achieved if all the pins are knocked over on a second roll. Common types of pin bowling include ten-pin, candlepin, duckpin, nine-pin, and five-pin. The historical game skittles is the forerunner of modern pin bowling. In target bowling, the aim is usually to get the ball as close to a mark as pos ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The New York Times
''The New York Times'' (''the Times'', ''NYT'', or the Gray Lady) is a daily newspaper based in New York City with a worldwide readership reported in 2020 to comprise a declining 840,000 paid print subscribers, and a growing 6 million paid digital subscribers. It also is a producer of popular podcasts such as '' The Daily''. Founded in 1851 by Henry Jarvis Raymond and George Jones, it was initially published by Raymond, Jones & Company. The ''Times'' has won 132 Pulitzer Prizes, the most of any newspaper, and has long been regarded as a national "newspaper of record". For print it is ranked 18th in the world by circulation and 3rd in the U.S. The paper is owned by the New York Times Company, which is publicly traded. It has been governed by the Sulzberger family since 1896, through a dual-class share structure after its shares became publicly traded. A. G. Sulzberger, the paper's publisher and the company's chairman, is the fifth generation of the family to head the p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Atlantic (magazine)
''The Atlantic'' is an American magazine and multi-platform publisher. It features articles in the fields of politics, foreign affairs, business and the economy, culture and the arts, technology, and science. It was founded in 1857 in Boston, as ''The Atlantic Monthly'', a literary and cultural magazine that published leading writers' commentary on education, the abolition of slavery, and other major political issues of that time. Its founders included Francis H. Underwood and prominent writers Ralph Waldo Emerson, Oliver Wendell Holmes Sr., Henry Wadsworth Longfellow, Harriet Beecher Stowe, and John Greenleaf Whittier. James Russell Lowell was its first editor. In addition, ''The Atlantic Monthly Almanac'' was an annual almanac published for ''Atlantic Monthly'' readers during the 19th and 20th centuries. A change of name was not officially announced when the format first changed from a strict monthly (appearing 12 times a year) to a slightly lower frequency. It was a month ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Track Circuit
A track circuit is an electrical device used to prove the absence of a train on rail tracks to signallers and control relevant signals. An alternative to track circuits are axle counters. Principles and operation The basic principle behind the track circuit lies in the connection of the two rails by the wheels and axle of locomotives and rolling stock to short an electrical circuit. This circuit is monitored by electrical equipment to detect the absence of the trains. Since this is a safety appliance, fail-safe operation is crucial. Hence the circuit is designed to indicate the presence of a train when failures occur. On the other hand, false occupancy readings are disruptive to railway operations and must be minimized. Track circuits allow railway signalling systems to operate semi-automatically, by displaying signals for trains to slow or stop in the presence of occupied track ahead of them. They help prevent Train dispatcher, dispatchers and Manual block, operators from ca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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