Types of Platform
Platform types include the bay platform, side platform (also called through platform) and the island platform. A bay platform is one at which the tracks terminate, i.e. a dead-end or siding. Trains serving a bay platform must reverse in or out. A side platform, conversely, is the more usual type of platform, located alongside tracks where the train may simply pull into the platform from one end, and leave passing the other end. Finally, an island platform has designated through platforms on both sides; it may be indented on one or both ends, with bay platforms. For passengers to reach an island platform, there may be a bridge, a tunnel, or a level crossing. The climb up to the bridge or down to the tunnel may use stairs, ramps, escalators, lifts, or a combination of the above.
Usually platform numbering is actually a numbering of the boarding areas in the station (hence one island platform, for example, may have several numbered platforms). In some cases, tracks without platform access, used for through traffic, also have a number.
Read more about this topic: Railway Platform
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