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发布于:2018-1-20 16:48:27  访问:349 次 回复:0 篇
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Transportation Services And Modes Of Transport
Transportation Services and Modes of Transport
In human evolution, the first means of transport were walking, running and swimming. Prior to the Industrial Revolution and modernization, water transport was the best approach to transporting vast amounts of goods over long distances though it was very slow and dear. The importance of water transport led to the growth of cities along rivers and sea-shores where boats, canoes and ships could dock.
A `mode of transport` is a technique or solution that uses a specific type of infrastructure, operation and vehicle to transport people and cargo. A mode can be used alone or in addition to other modes; in this instance it is known `intermodal` or `multimodal` transport. Are all distinct from the other and it is used according to choice of factors such as price of transport, route taken, capability and so on.
1. Human-powered - this is actually the most typical in developing and under-developed countries due to several factors such as savings on cost, accessibility of location, workout and environmental reasons. Human-powered transport is really a sustainable form of transport and has been recently enhanced by the use of machinery and modern technology - e.g. cycling, skating, rowing, skiing which are extremely useful in difficult environments.
2. Animal-powered - whether ridden by humans or utilized as pack animals for movement of people and commodities, animals can function alone or in teams - e.g. mules, horse-carts, dog-sleds etc.
3. Air - airplanes and aircraft have reduced travel times considerably and it is the fastest mode of passenger and goods transport. High costs and high energy use would be the downsides of air transport; however, it is estimated that over 500,000 people travel in aero-planes at any time.
4. Rail - Railroads and rail tracks run the space and breadth of each and every country on the planet ferrying people and goods from place to place. Even though they involve the use of large amounts of surface land, rail networks provide easy connectivity options within cities, within countries and between different countries as a mode of public transport- e.g. Nyc Subway, London Metro, Eurotunnel or even the Chunnel between England Transportation LLC UT and France and the Euro Rail.
5. Road - road networks pass through cities, towns and villages and supply better connectivity options along with city rail networks and are ideal for trains and buses also. Road transport is entirely not the same as other modes as it allows a vehicle user to possess complete freedom over speed, direction, timings of travel and change of location that other transport methods cannot provide. They require large surface areas, use high energy and are quite expensive.
6. Water - water transport includes barges, boats, sailboats and ships through canals, rivers and seas. The first boats and ships were routed through inland canals for transporting people and spices. Today large passenger and cargo ships provide an organized and efficient transportation method. Although the time involved is long, water transportation is really a lot less expensive than air or road.
Other less used modes include cable and pipeline transports which are specifically purpose oriented - e.g. liquids and gases, water, sewage etc. for pipeline transport and conveyor belts, aerial tramways, cable cars etc. for cable transport.
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