Vertical distance between top of the platform and top of the rail
The Yawkey MBTA Commuter Rail station in 2011, with two platform heights: low-level for most cars and a full height platform to accommodate passengers in wheelchairs. This station has since been extensively rebuilt and renamed to "Lansdowne".
Railway platform height is the built height – above top of rail (ATR) – of passenger platforms at stations. A connected term is train floor height, which refers to the ATR height of the floor of rail vehicles. Worldwide, there are many, frequently incompatible, standards for platform heights and train floor heights. Where raised platforms are in use, train widths must also be compatible, in order to avoid both large gaps between platforms and trains and mechanical interference liable to cause equipment damage.
Differences in platform height (and platform gap) can pose a risk for passenger safety. Differences between platform height and train floor height may also make boarding much more difficult, or impossible, for wheelchair-using passengers and people with other mobility impairments, increasing station dwell time as platform or staff are required to deploy ramps to assist boarding. Platform ramps, steps, and platform gap fillers together with hazard warnings such as "mind the gap" are used to reduce risk and facilitate access. Platform height affects the loading gauge (the maximum size of train cars), and must conform to the structure gauge physical clearance specifications for the system. Tracks which are shared between freight and passenger service must have platforms which do not obstruct either type of railroad car.
To reduce construction costs, the platforms at stations on many railway systems are of low height, making it necessary for passenger cars to be equipped with external steps or internal stairs allowing passengers access to and from car floor levels. When railways were first introduced in the 19th century, low platforms were widely used from the 1880s, especially in rural areas, except in the United Kingdom. Over the years, raised platforms have become far more widespread, and are almost universal for high-speed express routes and universal in cities on commuter and rapid transit lines. Raised platforms on narrow gauge railways can prevent track gauge conversion to standard gauge or broad gauge.
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high operational safety and a high share of electrification. Electrified railway networks operate at many different voltages, both AC and DC, varying from...
the platform edge onto the railway tracks. But they sometimes reach to the height of the train. Like full-heightplatform screen doors, these platform gates...
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(difference between the platformheight and train floor height) horizontal (distance from the platform edge to the train step) The ideal platform would be straight...
designated platform. On the other hand, several light rail systems have high-platform stops or stations with dedicated platforms at railwayplatformheight. Reasons...
resemble to railwayplatforms, particularly in private right-of-way sections and where trams are boarded at standard railwayplatformheight, as opposed...
tolerance List of bridges known for strikes Loading gauge RailwayplatformRailwayplatformheight Tunnel Wayobjects "Structure Gauge and Kinematic Envelope"...
positioned between two tracks within a railway station, tram stop or transitway interchange. Island platforms are popular on twin-track routes due to...
November 1979 while the tracks along Platforms 1 to 7 were electrified on 29 December 1979. In the 1980s, the Southern Railway required land for expansion of...
the same year. While the side platforms of the original station, which have already been raised to a leveled height for smooth embarking and disembarking...
mention a few parameters. For passenger rail service, different railwayplatformheight and width clearance standards may also cause interoperability problems...
several months. Funicular Glossary of rail transport terms RailwayplatformRailwayplatformheight Garner, Bryan (27 August 2009). "gantlet; gauntlet". Garner's...
Minimising the platform gap in both height and width. This also requires rolling stock with appropriate dimensions. At some stations, a railway worker can...
homeless people, height of platforms, insecurity, criminal activities, reluctance of passengers to use foot overbridges, problem of railway porters and unavailability...
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which is akin to the Metro Manila Subway's eventual platform extension. The railwayplatformheight is 1,250 mm (4 ft 1 in). There are five maintenance...
whether underwater height should be counted, in the same manner as height below ground is ignored on buildings. The Troll A platform is 472 m (1,549 ft)...
under Varanasi railway division of North Eastern Railway zone and was electrified in 2012. The station is about 58 m (190 ft) in height and has about[vague]...
by North London Railway trains running into Broad Street station. At the beginning of the Twentieth century the station had platforms on all four lines...
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system by which the height of a railwayplatform can be increased at relatively low cost. The system takes its name from Harrington railway station in Cumbria...
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