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Här hittar du samtliga artiklar, fördjupningar och analyser om Metro Mode på resumé.se. 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. Most medium-capacity rail systems are automated or use light-rail type vehicles.
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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 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.
In contrast with light rail systems, [ 2 ] an MCS runs on a fully grade separated exclusive right-of-way. In some cases, the distance between stations is much longer than typically found on heavy rail networks. An MCS may also be suitable for branch line connections to another mode of a heavy-capacity transport system, such as an airport or a main route of a metro network.
The definition of a medium-capacity system varies due to its non- standardisation. Inconsistencies in international definitions are even reflected within individual countries. Full-length, 8-car trains were deployed on the line in advance of its extension and the line was extended into the Tuen Ma line in June Two other lines, the Disneyland Resort line shuttle service to Hong Kong Disneyland Resort since and the South Island line since December , are also classified as MCS because of their shorter trains and smaller capacity, however they use the same technology as the full-capacity rapid transit lines.
For example, the train in an MCS may have a shorter configuration than the standard metro system, usually three though, in some cases, just two to six traincars , allowing for shorter platforms to be built and used. Rather than using steel wheels, rubber-tyred metro technology, such as the VAL system used on the Taipei Metro , is sometimes recommended, due to its low running noise , as well as the ability to climb steeper grades and turn tighter curves, thus allowing more flexible alignments.
Fully heavy rail or metro systems generally have train headways of 10 minutes or better during peak hours. In some countries, however, light metro systems are conflated with light rail. Some articles in India also refer to some "light metro"-type systems as "light rail". The main reason to build a light metro instead of a regular metro is to reduce costs, mainly because this system employs shorter vehicles and shorter stations.
Light metros may operate faster than heavy-rail rapid transit systems due to shorter dwell times at stations, and the faster acceleration and deceleration of lighter trains. Medium-capacity systems have restricted growth capacities as ridership increases. For example, it is difficult to extend station platforms once a system is in operation, especially for underground railway systems, since this work must be done without interfering with traffic.
Some railway systems, like Hong Kong and Wuhan, may make advance provisions for longer platforms, for example, so that they will be able to accommodate trains with more, or longer cars, in the future. Taipei Metro , for example, constructed extra space for two extra cars in all its Wenhu Line stations. The list does not include, for example, monorails and urban maglev , despite most of them also being "medium-capacity rail system".
The following is the list of former-MCSs that either developed into a full rapid transit system, or which are no longer in operation:. Contents move to sidebar hide. Article Talk. Read Edit View history. Tools Tools.
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Download as PDF Printable version. In other projects. Wikidata item. Rail transport system with moderate capacity. Definition [ edit ]. Terminology [ edit ]. Advantages and disadvantages [ edit ]. List of medium-capacity rail systems [ edit ]. See also: List of metro systems. See also: List of tram and light rail transit systems. Former examples [ edit ].
See also [ edit ]. Notes [ edit ]. References [ edit ]. In Stares, Stephen; Zhi, Liu eds.