What are two disadvantages of railway?

As a result, although rail transport has advantages such as high carrying capacity, economy, reliability and environmental impact, it also has some disadvantages such as limited flexibility, operating costs, necessity of intermodal connections and delivery time.



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Abstract. In this chapter, we review the level of disturbance caused by railways due to noise and vibration, air, soil and water pollution, and soil erosion.

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Dedicated Infrastructure Is Wasted But high-speed rail lines can only move people, making them far less cost-effective. To save energy, high-speed rail cars are far lighter than conventional rail cars and cannot be safely used on the same tracks as frequent heavy freight trains.

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Fuel combustion, track abrasion and freight leakages cause the most soil and plant contamination, because their emissions are neither chemically, or biologically degraded. Similarly, heavy metals found in the water bordering the tracks are often caused by leakages from petroleum products carried on the system.

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Disadvantages of electric traction include: high capital costs that may be uneconomic on lightly trafficked routes, a relative lack of flexibility (since electric trains need third rails or overhead wires), and a vulnerability to power interruptions.

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Railroads Were at the Forefront of Political Corruption “Railroads need monopoly franchises and subsidies, and to get them, they are more than willing to bribe public officials,” White says. The Central Pacific Railroad, for example, spent $500,000 annually in thinly disguised bribes between 1875 and 1885.

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But the Depression, and the switch to automobiles after World War II, dealt a blow from which the railroads still have not recovered. A deadly cycle set in. As the number of passengers using the trains decreased, causing revenues to fall, the railroads tried to survive by cutting back on maintenance and service.

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Each company faced unprecedented construction problems—mountains, severe weather, and the hostility of Native Americans. On May 10, 1869, in a ceremony at Promontory, Utah, the last rails were laid and the last spike driven.

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Trains create pollution; however, it is important to note that on a passenger level rail is one of the lowest impact public transport methods, in addition the carbon footprint intensity of rail continues to decrease.

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Train travel remains overall the most environmentally friendly mode of motorised passenger transport in Europe — in terms of greenhouse gas emissions — as compared to travelling by car or plane, according to two transport and environment studies published by the European Environment Agency (EEA) today.

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Trains are generally thought to be a green alternative to fossil fuel-heavy modes of transportation, such as cars and airplanes, but many types still burn diesel fuel. And those emissions can build up, particularly in enclosed areas. (Watch how people are trying to break their fossil fuel habit.)

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Possible drawbacks:
  • If the trains lack the proper technology to detect whether someone (or something) is blocking the doors, and the doors close on that thing or person, you could have a very bad situation on your hands.
  • Even with the proper technology, it's not always fool-proof.


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