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Metro Systems By Annual Passenger Rides
This list of metro systems includes electrified rapid transit train systems worldwide. In some parts of the world, metro systems are referred to as subways, undergrounds, tubes, mass rapid transit (MRT), metrô or U-Bahn. 204 cities in 65 countries operate 917 metro lines. The London Underground first opened as an underground railway in 1863 and its first electrified underground line, the City and South London Railway, opened in 1890, making it the world's first deep-level electric metro system. The Budapest Millennium Underground Railway, which opened in 1896, was the world's first electric underground railway specifically designed for urban transportation and is still in operation today. The Shanghai Metro is both the world's longest metro network at and the busiest with the highest annual ridership reaching approximately 2.83 billion passenger trips. The New York City Subway has the greatest number of stations, with 472. the country with the most metro systems is Ch ...
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Shanghai Metro
The Shanghai Metro (; Shanghainese: ''Zaon6he5 Di6thiq7'') is a rapid transit system in Shanghai, operating urban and suburban transit services to 14 of its 16 List of township-level divisions of Shanghai, municipal districts and to the neighboring township of Huaqiao metro station (Kunshan), Huaqiao, in Kunshan, Jiangsu Province. Forming the vast majority of the broader, multi-operator Shanghai rail transit network, the Shanghai Metro system is the world's List of metro systems, second longest metro system by route length, totaling and the List of metro systems, second largest system by number of stations, with List of Shanghai Metro stations, 508 stations across 19 lines. It also ranks Metro systems by annual passenger rides, first in the world by annual ridership, with 3.88 billion rides delivered in 2019. The last daily ridership record was set on 9 March 2024, at 13.39 million rides. Since the COVID-19 pandemic, pandemic, ridership still routinely stands at over 10 millio ...
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Transport Research Laboratory
TRL Limited, trading as TRL (formerly Transport Research Laboratory) is an independent private company offering a transport consultancy and research service to the public and private sector. Originally established in 1933 by the UK Government as the Road Research Laboratory (RRL), it was privatised in 1996. Its motto or tagline is 'The Future of Transport'. History TRL was originally established in 1933 by the UK Government as the Road Research Laboratory (RRL) under the Department of Scientific and Industrial Research (DSIR), and later became the Transport and Road Research Laboratory (TRRL) in 1972. During the Second World War, the Laboratory contributed to the war effort. Among its contributions, under William Glanville, were research that aided the development of plastic armour, the bouncing bomb and the Disney bomb. During governmental reorganisation in the 1970s, the TRRL moved from the Department of Trade and Industry (DTI) to the Department of the Environment ...
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Funicular
A funicular ( ) is a type of cable railway system that connects points along a railway track laid on a steep grade (slope), slope. The system is characterized by two counterbalanced carriages (also called cars or trains) permanently attached to opposite ends of a haulage cable, which is looped over a pulley at the upper end of the track. The result of such a configuration is that the two carriages move synchronously: as one ascends, the other descends at an equal speed. This feature distinguishes funiculars from inclined elevators, which have a single car that is hauled uphill. The term ''funicular'' derives from the Latin word , the diminutive of , meaning 'rope'. Operation In a funicular, both cars are permanently connected to the opposite ends of the same cable, known as a ''haul rope''; this haul rope runs through a system of pulleys at the upper end of the line. If the railway track is not perfectly straight, the cable is guided along the track using sheaves – unpowered ...
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S-Bahn
The S-Bahn ( , ), , is a hybrid urban rail, urban–suburban rail system serving a metropolitan region predominantly in German language, German-speaking countries. Some of the larger S-Bahn systems provide service similar to rapid transit systems, while smaller ones often resemble Commuter rail, commuter or even regional rail systems. The name ''S-Bahn'' derives from (), (, not to be confused with the present-day ''Stadtbahn'') or (). Similar systems in Austria and German-speaking Switzerland are known as S-Bahn as well. In Belgium, it is known as S-Trein (Flemish dialects, Flemish) or Train S (French language, French). In Denmark, they are known as S-tog , and in the Czech Republic as Esko or S-lines. In Milan, they are known as Milan S Lines, Linee S. S-Bahn is also a treated as a Train categories in Europe, train category in several European countries. Characteristics There is no complete definition of an S-Bahn system. S-Bahn are, where they exist, the most local typ ...
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Light Metro
A medium-capacity system (MCS), also known as light rapid transit or light metro, is a rail transport system with a capacity greater than light rail, but less than typical heavy-rail rapid transit. MCS trains are usually 1 to 4 cars. Most medium-capacity rail systems are automated or use light-rail type vehicles. Since ridership determines the scale of a rapid transit system, statistical modeling allows planners to size the rail system for the needs of the area. When the predicted ridership falls between the service requirements of a light rail and heavy-rail rapid transit or metro system, an MCS project is indicated. An MCS may also result when a rapid transit service fails to achieve the requisite ridership due to network inadequacies (e.g. single-tracking) or changing demographics. In contrast with light rail systems, an MCS or light metro runs on an entirely grade separated exclusive right-of-way, and is therefore completely separated from other traffic. In some cases ...
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Overhead Line
An overhead line or overhead wire is an electrical cable that is used to transmit electrical energy to electric locomotives, Electric multiple unit, electric multiple units, trolleybuses or trams. The generic term used by the International Union of Railways for the technology is ''overhead line''. It is known variously as overhead catenary, overhead contact line (OCL), overhead contact system (OCS), overhead equipment (OHE), overhead line equipment (OLE or OHLE), overhead lines (OHL), overhead wiring (OHW), traction wire, and trolley wire. An overhead line consists of one or more wires (or Overhead conductor rail, rails, particularly in tunnels) situated over rail tracks, raised to a high electrical potential by connection to feeder stations at regularly spaced intervals along the track. The feeder stations are usually fed from a High voltage, high-voltage Electricity distribution, electrical grid. Overview Electric trains that collect their current from overhead lines use a de ...
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Third Rail
A third rail, also known as a live rail, electric rail or conductor rail, is a method of providing electric power to a railway locomotive or train, through a semi-continuous rigid conductor placed alongside or between the rails of a track (rail transport), railway track. It is used typically in a mass transit or rapid transit system, which has alignments in its own corridors, fully or almost fully segregated from the outside environment. Third-rail systems are usually supplied with direct current. Modern tram systems with street running avoid the electrical injury risk of the exposed electric rail by implementing a segmented ground-level power supply, where each segment is electrified only while covered by a vehicle which is using its power. The third-rail system of electrification is not related to the third rail used in dual gauge, dual-gauge railways. The system is generally associated with a low voltage (rarely above 750 V) and is far less used for main lines than ...
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Rubber-tyred Metro
A rubber-tyred metro or rubber-tired metro is a form of rapid transit system that uses a mix of road transport, road and rail transport, rail technology. The vehicles have wheels with rubber tires that run on a roll way inside guide bars for traction. Traditional, Flange, flanged steel wheels running on rail tracks provide guidance through Railroad switch, switches and act as backup if tyres fail. Most rubber-tyred trains are purpose-built and designed for the system on which they operate. Guided buses are sometimes referred to as 'trams on tyres', and compared to rubber-tyred metros. History The first idea for rubber-tyred railway vehicles was the work of Scotsman Robert William Thomson, the original inventor of the pneumatic tire, tyre. In his patent of 1846 he describes his 'Aerial Wheels' as being equally suitable for, "the ground or rail or track on which they run". The patent also included a drawing of such a railway, with the weight carried by pneumatic main wheels runnin ...
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Inter-city Rail
Inter-city rail services are Express train, express trains that run services that connect cities over longer distances than Commuter rail, commuter or Regional rail, regional trains. They include rail services that are neither short-distance commuter rail trains within one city area nor slow regional rail trains stopping at all stations and covering local journeys only. An inter-city train is typically an express train with limited stops and comfortable carriages to serve long-distance travel. Inter-city rail sometimes provides international services. This is most prevalent in Europe because of the proximity of its 50 countries to a 10,180,000-square-kilometre (3,930,000-square-mile) area. Eurostar and EuroCity are examples. In many European countries, the word InterCity or Inter-City is an official brand name for a network of regular-interval and relatively long-distance train services that meet certain criteria of speed and comfort. That use of the term appeared in the United ...
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Right-of-way (transportation)
A right of way (also right-of-way) is a specific route that people, animals, vehicles, watercraft, or utility lines travel, or the legal status that gives them the right to do so. Rights-of-way in the physical sense include controlled-access highways, railroads, canals, hiking paths, bridle paths for horses, bicycle paths, the routes taken by high-voltage lines (also known as wayleave), utility tunnels, or simply the paved or unpaved local roads used by different types of traffic. The term ''highway'' is often used in legal contexts in the sense of "main way" to mean any public-use road or any public-use road or path. Some are restricted as to mode of use (for example, pedestrians only, pedestrians, horse and cycle riders, vehicles capable of a minimum speed). Rights-of-way in the legal sense (the right to pass through or to operate a transportation facility) can be created in a number of different ways. In some cases, a government, transportation company, or conservation n ...
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Grade Separation
In civil engineering (more specifically highway engineering), grade separation is a method of aligning a junction of two or more surface transport axes at different heights ( grades) so that they will not disrupt the traffic flow on other transit routes when they cross each other. The composition of such transport axes does not have to be uniform; it can consist of a mixture of roads, footpaths, railways, canals, or airport runways. Bridges (or overpasses, also called flyovers), tunnels (or underpasses), or a combination of both can be built at a junction to achieve the needed grade separation. In North America, a grade-separated junction may be referred to as a ''grade separation'' or as an '' interchange'' – in contrast with an ''intersection'', '' at-grade'', a '' diamond crossing'' or a ''level crossing'', which are not grade-separated. Effects Advantages Roads with grade separation generally allow traffic to move freely, with fewer interruptions, and at higher overall ...
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Level Crossing
A level crossing is an intersection where a railway line crosses a road, Trail, path, or (in rare situations) airport runway, at the same level, as opposed to the railway line or the road etc. crossing over or under using an Overpass#Railway, overpass or tunnel. The term also applies when a light rail line with separate Right-of-way (railroad), right-of-way or reserved track crosses a road in the same fashion. Other names include railway level crossing, railway crossing (chiefly international), grade crossing or railroad crossing (chiefly American), road through railroad, criss-cross, train crossing, and RXR (abbreviated). There are more than 100,000 level crossings in Europe and more than 200,000 in North America. Road-grade crossings are considered incompatible with high-speed rail and are virtually non-existent in European high-speed train operations. File:The 5.20 for West Kirby leaving Hoylake - geograph.org.uk - 1503619.jpg, A level crossing at Hoylake, Merseyside, Engl ...
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