Transport infrastructure consists of fixed installations, including roads, railways, airways, waterways, canals, and pipelines, as well as terminals such as airports, railway stations, bus stations, warehouses, trucking terminals, refueling depots (including fuel docks and fuel stations), and seaports. Terminals may be used both for the interchange of passengers and cargo and for maintenance.
Rapid transit, mass rapid transit (MRT) or rail rapid transit (RRT) and commonly referred to as metro, is a type of high-capacity public transport that is generally built in urban areas. A grade separated rapid transit line below ground surface through a tunnel can be regionally called a subway, tube, metro or underground. They are sometimes grade-separated on elevated railways, in which case some are referred to as elevated, el or L trains – short for "elevated" – or skytrains. A common alternative term for rapid transit in North America is heavy rail. Rapid transit systems are usually electric railways that, unlike buses or trams, operate on an exclusive right-of-way, which cannot be accessed by pedestrians or other vehicles.
Modern services on rapid transit systems are provided on designated lines between stations typically using electric multiple units on railway tracks. Some systems use guided rubber tires, magnetic levitation (maglev), or monorail. The stations typically have high platforms, without steps inside the trains, requiring custom-made trains in order to minimize gaps between train and platform. They are typically integrated with other public transport and often operated by the same public transport authorities. Some rapid transit systems have at-grade intersections between a rapid transit line and a road or between two rapid transit lines. (Full article...)
Image 11Elephant transporting a person and some cargo on a highway between Delhi and Jaipur, India (from Transport)
Image 12Inauguration of the electric tram in Saint Petersburg in 1907. By the early 1900s, most street railways were electrified. (from Rail transport)
Image 23Passengers waiting to board a tube train on the London Underground in the early 1900s (sketch by unknown artist)
Image 24Milan Metro is the largest rapid transit system in Italy in terms of length, number of stations and ridership; and the eighth longest in Europe. (from Rail transport)
Image 30The Great North Road near High gate on the approach to London before turnpiking. The highway was deeply rutted and spread onto adjoining land. (from Road transport)
Image 33Customized motorcycle to maximize load capacity. Mobility is important for motorcycles, which are primarily used for transporting light cargo in urban areas. (from Transport)
Image 35A cast iron fishbelly edge rail manufactured by Outram at the Butterley Company for the Cromford and High Peak Railway in 1831; these are smooth edge rails for wheels with flanges. (from Rail transport)
Ukrainian forces sink a Rosatom-owned container ship in the Black Sea, forcing its 17-member crew to abandon it. Rosatom says it had been transporting civilian goods, including frozen food and construction materials. (BBC News)
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![Image 1The Lockheed SR-71 remains unsurpassed in many areas of performance.[which?] (from Aviation)](/location/wiki/File:Lockheed_SR-71_Blackbird.jpg)
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