An electric multiple unit or EMU is a multiple-unit train consisting of self-propelled carriages using electricity as the motive power. An EMU requires no separate locomotive , as electric traction motors are incorporated within one or a number of the carriages. An EMU is usually formed of two or more semi-permanently coupled carriages, but electrically powered single-unit railcars are also generally classed as EMUs. The great majority of EMUs are passenger trains, but versions also exist for carrying mail.
42-735: The Sunshine Coast Line is the current marketing name of what originally was the Tendring Hundred Railway Line , a branch off the Great Eastern Main Line in the East of England . It links Colchester to the seaside resorts of Clacton-on-Sea and, via a branch, Walton-on-the-Naze . The line is part of the Network Rail Strategic Route 7 , SRS 07.08, and is classified as a London & South East commuter line. Passenger services on
84-405: A city or town not located on a main line. Branch lines may also connect two or more main lines. An industrial spur is a type of secondary track used by railroads to allow customers at a location to load and unload railcars without interfering with other railroad operations. Industrial spurs can vary greatly in length and railcar capacity depending on the requirements of the customer the spur
126-510: A common sight along railroads in industrial and rural cities alike. As automobile and roadway technology improved throughout the early and mid-20th century, most low volume industry spurs were abandoned in favor of the greater flexibility and economic savings of trucking. Today, railroads remain the most economical way to ship large quantities of material, a fact that is reflected in industrial spurs. Most modern day spurs serve very large industries that require hundreds, if not thousands, of carloads
168-464: A mainline, they tend to have lower maintenance and signaling (train control) standards. Before the rise of the long-distance trucking in the early 1930s, railroads were the primary means of transportation around the world. Industries of the era were commonly built along railroad lines specifically to allow for easy access to shipping. Short (under a mile, oftentimes only several hundred yards) industrial spurs with very small (under ten car) capacities were
210-483: A motor-driving car or power-driving car. On third rail systems, the outer vehicles usually carry the pick up shoes with the motor vehicles receiving the current via intra-unit connections . Many modern two-car EMU sets are set up as twin or "married pair" units. While both units in a married pair are typically driving motors, the ancillary equipment (air compressor and tanks, batteries and charging equipment, traction power and control equipment, etc.) are shared between
252-823: A section of the West Rail line . Discontinued services include the Sha Tau Kok Railway and the Wo Hop Shek Branch . A spur line to Siu Sai Wan has been proposed. Delhi On the Delhi Metro , the Blue Line has a Branch Line with 8 Stations, linking Yamuna Bank to Ghaziabad via Anand Vihar ISBT and terminating at Vaishali. The first section of the Branch opened on 8 January 2010 with Anand Vihar as its terminal with six stations. It
294-531: A subsidy for grain transport, and instead allowed railways to absorb branch line subsidies freely without making effort to improve the profitability of the lines. The term "grain-dependent branch lines" began being used as early as 1978 to refer to the special case of these branch lines in agricultural areas whose viability depended on the economics of grain transport. The Western Grain Transportation Act of 1983 addressed this case specifically, but
336-466: A year. There is an international branch line between Italy and Vatican: the 300-metre Vatican Railway , connecting from the Pisa-Rome railway mainline at Roma San Pietro railway station , to Vatican City station . Many British railway branch lines were closed as a result of the " Beeching cuts " in the 1960s, although some have been re-opened as heritage railways . The smallest branch line that
378-697: Is single track . It is electrified at 25 kV AC , has a loading gauge of W6 and a line speed limit of between 30 and 75 mph (48–121 km/h). The branch to Colchester Town has a maximum speed limit of 30 mph (48 km/h). The Engineer's Line Reference for the line from Colchester Junction to Clacton is COC, and from Thorpe-le-Soken Junction to Walton-on-the-Naze is TWN. Passenger train services are operated by Class 720 electric multiple units . The Walton-on-the-Naze to Colchester local services are typically formed of five carriages. The Clacton-on-Sea to London Liverpool Street services are typically formed of ten carriages. The following table summarises
420-465: Is serving. In heavily industrialized areas, it is not uncommon for one industrial spur to have multiple sidings to several different customers. Typically, spurs are serviced by local trains responsible for collecting small numbers of railcars and delivering them to a larger yard, where these railcars are sorted and dispatched in larger trains with other cars destined to similar locations. Because industrial spurs generally have less capacity and traffic than
462-417: Is simpler as no provision is needed for exhausting fumes, although retrofitting existing limited-clearance tunnels to accommodate the extra equipment needed to transmit electric power to the train can be difficult. Multiple unit train control was first used in the 1890s. The Liverpool Overhead Railway opened in 1893 with two-car electric multiple units, controllers in cabs at both ends directly controlling
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#1732781187746504-567: Is still in operation in the UK is the Stourbridge Town Branch Line from Stourbridge Junction going to Stourbridge Town . Operating on a single track, the journey is 0.8 miles (1.3 kilometres) long and the train takes around two and a half minutes to complete its journey. In North America, little-used branch lines are often sold by large railroads to become new common carrier short-line railroads of their own. Throughout
546-532: The Bay of Plenty Region , lines were built inland to provide rail access to large logging operations. Today, many of the branch lines have been closed, including almost all of the general-purpose country lines. Those that remain serve ports or industries far from main lines such as coal mines, logging operations, large dairying factories, and steelworks . In Auckland and Wellington , two branch lines in each city exist solely for commuter passenger trains. For more, see
588-779: The China Railway High-speed in China, ICE 3 in Germany, and the British Rail class 395 Javelin. The retired New York–Washington Metroliner service, first operated by the Pennsylvania Railroad and later by Amtrak , also featured high-speed electric multiple-unit cars, known as the Budd Metroliner . EMUs powered by fuel cells are under development. If successful, this would avoid
630-753: The Gladstone Branch in New Jersey; as well as the New Canaan Branch , Danbury Branch , and Waterbury Branch in Connecticut . The Long Island Rail Road also refers to its services as "branches". In Chile, there are a lot of branch lines on its main line, of only a few remain operational. Most only operating in turistic services (like the Antilhue-Valdivia branch line), others have been taken over by other railways (like
672-1048: The Grand Trunk , Canadian National , or Canadian Pacific ) which would acquire formerly independent short line railways for use as branch lines, with the short line often continuing to exist as a subsidiary. For example, when the Canadian Pacific acquired the Algoma Eastern Railway (a short line) in 1930, it soon after abandoned much of the Algoma Eastern mainline, but retained sections close to Algoma Eastern–Canadian Pacific junctions as short branch lines or spurs. The National Transportation Act of 1967 provided government subsidies for branch lines. Western railway development in Canada worked in concert with land settlement and cultivation, as pioneers were settled near railway lines, often on land
714-788: The North South Line between Jurong East and Choa Chu Kang stations was operated as a separate line, known as the Branch line . It was merged into the North–South Line with the opening of the Woodlands Extension in 1996. The future Jurong Region Line and Cross Island Line will also have branch lines. New Zealand once had a very extensive network of branch lines, especially in the South Island regions of Canterbury , Otago , and Southland . Many were built in
756-704: The South Tseung Kwan O Spur Line to LOHAS Park station , opened in 2009. Earlier, a spur line was built in 1985 on the East Rail line to serve Racecourse station , bypassing Fo Tan station . Also, the Tsim Sha Tsui Extension [ yue ] was built in 2004 on the East Rail line to serve East Tsim Sha Tsui station . However, after the Kowloon Southern Link was completed in 2009, this spur line turns into
798-467: The list of New Zealand railway lines . Electric multiple unit EMUs are popular on commuter, and suburban rail networks around the world due to their fast acceleration and pollution-free operation, and are used on most rapid-transit systems. Being quieter than diesel multiple units (DMUs) and locomotive -hauled trains, EMUs can operate later at night and more frequently without disturbing nearby residents. In addition, tunnel design for EMU trains
840-766: The GER. The GER negotiated to buy both the Tendring Hundred Railway and the Clacton-on-Sea Railway, and they became part of the GER on 1 July 1883. The Wivenhoe & Brightlingsea company was absorbed by the GER on 9 June 1893. In 1923 the line (along with the rest of the GER) became part of the London and North Eastern Railway . A section of the line between Frinton and Walton-on-Naze had to be re-sited in 1929 due to fears of coastal erosion on
882-695: The San Rosendo-Talcahuano branch line, which has been taken over by Biotrén and the Laja-Talcahuano train service) however, there is one branch line that still remains as fully operative. The Talca-Constitución branch line, which uses trains with bus motors. Two extensions to the MTR rapid transit network were built as branches of existing lines: the Lok Ma Chau Spur Line to Lok Ma Chau station , which opened in 2007; and
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#1732781187746924-623: The U.S. state of New Jersey . The line is a short branch of the Northeast Corridor Line , running from Princeton Junction northwest to Princeton with no intermediate stops. Also known as the "Dinky Line", at 2.9 mi (4.7 km) it is the shortest scheduled commuter rail line in the United States. The run takes 4 minutes, 47 seconds. Other than the Princeton Line, other surviving branch lines include
966-469: The United States and Canada, branch lines link smaller towns too distant from the main line to be served efficiently, or to serve a certain industrial site such as a power station either because of a location away from the main line or to reduce congestion. They were typically built to lower standards, using lighter rail and shallow roadbeds when compared to main lines. Much of Canada's branch line history relates to large rail transport conglomerates (such as
1008-607: The company branded as One until February 2008, at which time it was rebranded as National Express East Anglia . It is currently operated by Abellio Greater Anglia . A £104 million engineering project known as the Colchester to Clacton Resignalling Project took place on the line between December 2006 and July 2009. Life-expired signalling equipment was renewed and a new control system was fitted; 170 modern LED signals were erected and eight manual level crossings were replaced by full barrier crossings with security cameras. The line
1050-485: The construction of electric traction railways and trolley systems worldwide. Each car of the train has its own traction motors: by means of motor control relays in each car energized by train-line wires from the front car all of the traction motors in the train are controlled in unison. The cars that form a complete EMU set can usually be separated by function into four types: power car, motor car, driving car, and trailer car. Each car can have more than one function, such as
1092-569: The first president of the Canadian National Railway , said that although most branch lines cannot pay for themselves, they are even essential to make main lines pay. In the United States, abandonment of unproductive branch lines was a byproduct of deregulation of the rail industry through the Staggers Act . The Princeton Branch is a commuter rail line and service owned and operated by New Jersey Transit (NJT) in
1134-546: The late 19th century to open up inland regions for farming and other economic activities. The branches in the South Island regions were often general-purpose lines that carried predominantly agricultural traffic, but lines elsewhere were often built to serve a specific resource: on the West Coast , an extensive network of branch lines was built in rugged terrain to serve coal mines, while in the central North Island and
1176-561: The line are currently operated by Greater Anglia . Trains for Clacton-on-Sea usually originate at London Liverpool Street , while those for Walton-on-the-Naze typically start at Colchester (or Thorpe-le-Soken on Sundays). There are, however, limited morning and evening peak-time services in each direction between Walton-on-the-Naze and Liverpool Street. The Great Eastern Main Line out of Shoreditch in London reached Colchester by 1843 and
1218-524: The line were largely operated by a fleet of Class 309 electric multiple units which were specially designed and constructed for the route. The 309s were replaced on the route by newer rolling stock between 1992 and 1994 during the Network SouthEast era. Passenger services have been operated by two different franchises since privatisation of British Rail in 1997: First Great Eastern until 31 March 2004, when National Express took over with
1260-451: The line's 12 stations, their distance measured from London Liverpool Street , and estimated number of passenger entries/exits in 2018–19: The typical Monday to Saturday off-peak service on the line is: Branch line A branch line is a secondary railway line which branches off a more important through route, usually a main line . A very short branch line may be called a spur line . Branch lines may serve one or more industries, or
1302-416: The need for an overhead line or third rail . An example is Alstom ’s hydrogen -powered Coradia iLint . The term hydrail has been coined for hydrogen-powered rail vehicles. Many battery electric multiple units are in operation around the world, with the take up being strong. Many are bi-modal taking energy from onboard battery banks and line pickups such as overhead wires or third rail. In most cases
Sunshine Coast Line - Misplaced Pages Continue
1344-612: The original alignment. Following nationalisation on 1 January 1948, the line became part of the Eastern Region of British Railways . Electrification of the line commenced in the 1950s and by January 1959 the line was electrified as far as Great Bentley . The first trial train to run on the newly electrified section departed Colchester on 18 January 1959. The line was the first in the country to be electrified at 25 kV AC , using overhead wires, with electrified services inaugurated on 13 April 1959. Between 1962 and 1992, services on
1386-553: The outer end of the pair, saving space and expense over a cab at both ends of each car. Disadvantages include a loss of operational flexibility, as trains must be multiples of two cars, and a failure on a single car could force removing both it and its partner from service. Some of the more famous electric multiple units in the world are high-speed trains: the Italian Pendolino and Frecciarossa 1000 , Shinkansen in Japan,
1428-572: The railways had owned. However, by the mid-20th century, railways began neglecting lines in western agricultural regions. This was historically driven by factors such as the Crow Rate , which regulated the price railways could charge for shipping grain. Railways had little incentive to invest in rural Prairie branch lines, but were legally unable to abandon them under the National Transportation Act , which also did not provide
1470-590: The time the Wivenhoe extension opened the line had been taken over by the Great Eastern Railway (GER) who provided the rolling-stock in return for 50% of takings. The route was extended to Weeley on 8 January 1866, to Kirby Cross on 28 July 1866, and on to the terminus at Walton-on-Naze on 17 May 1867. In the meantime, a short branch to a new station called St. Botolph's , located more centrally in Colchester, opened on 1 March 1866. This station
1512-568: The traction current to motors on both cars. The multiple unit traction control system was developed by Frank Sprague and first applied and tested on the South Side Elevated Railroad (now part of the Chicago 'L' ) in 1897. In 1895, derived from his company's invention and production of direct current elevator control systems, Frank Sprague invented a multiple unit controller for electric train operation. This accelerated
1554-426: The two cars in the set. Since neither car can operate without its "partner", such sets are permanently coupled and can only be split at maintenance facilities. Advantages of married pair units include weight and cost savings over single-unit cars (due to halving the ancillary equipment required per set) while allowing all cars to be powered, unlike a motor-trailer combination. Each car has only one control cab, located at
1596-420: Was closed every weekend and on public holidays, with bus replacement services provided. There was opposition from the town of Frinton to keep the manual gates, which were reportedly removed "under cover of darkness". Folklore has it that townspeople used to lock the gates to keep out coach-loads of tourists. The line is double track except for the branch between Thorpe-le-Soken and Walton-on-the-Naze which
1638-504: Was extended to Ipswich in 1846. The first short section of this branch line was built by the Colchester, Stour Valley, Sudbury & Halstead Railway to the port of Hythe , and opened for freight traffic on 31 March 1847. In 1859 the Tendring Hundred Railway Company was formed to extend the line from Hythe to Wivenhoe , which opened on 8 May 1863 for both passenger and goods services from Colchester. By
1680-504: Was further extended to Vaishali in 2011. The line is planned to be extended from Vaishali to Mohan Nagar via Sahibabad Station to link with the main line. The East West Line of the MRT system in Singapore has a two-station branch to Changi Airport . The first station, Expo , opened in 2001. It was extended to Changi Airport station the next year. From 1990 to 1996, the section of
1722-483: Was renamed Colchester Town on 8 July 1991 by British Rail . A second company, the Wivenhoe & Brightlingsea Railway, had been incorporated in 1861 to build a line from Wivenhoe to Brightlingsea , which opened on 17 April 1866. There were also proposals to build a line to Clacton as early as 1866, but nothing came of them until 1877, when the Clacton-on-Sea Railway was incorporated. The connection from Thorpe-le-Soken to Clacton opened on 4 July 1882, also operated by
Sunshine Coast Line - Misplaced Pages Continue
1764-502: Was repealed in 1994 in the wake of the North American Free Trade Agreement and budget-balancing initiatives in favour of a one-time payout by the federal government directly to farmers, to arrange transport of grain themselves. From the mid-1970s to the late 2010s, more than 9,300 kilometres (5,800 mi) of Prairie branch lines were abandoned or had a discontinuance of service. David Blyth Hanna ,
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