Railways

Rail transport is the conveyance of passengers and goods by means of wheeled vehicles running along railways or railroads. Rail transport is part of the logistics chain, which facilitates international trade and economic growth. Rail transport is capable of high capacity and is energy efficient, but lacks flexibility and is capital intensive.

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- A train is a connected series of rail vehicles that move along the track. Propulsion for the train is provided by a separate locomotive, or from individual motors in self-propelled multiple units. Most trains carry a revenue load, although non-revenue cars exist for the railway's own use, such as for maintenance-of-way purposes. The railroad engineer or engine driver controls the locomotive or other power cars, although people movers and some rapid transits are driverless.