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Maglev consequences

Maglev Consequences

Magnetically levitated ground transportation, or "maglev," is an

advanced mode of surface high speed transportation whereby a vehicle gliding

above a guide track is suspended, guided, and propelled by magnetic forces.

Because they never touch the guide track causing friction, maglev vehicles can

be designed to travel at extremely high speeds, 500 kilometers per hour (300

miles per hour), or more!

Americans traveled 3.2 trillion passenger kilometers (2 trillion

passenger miles) by car, truck, bus, and public transit, and 9.8 billion

passenger kilometers (6.1 billion passenger miles) on Amtrak. As populations

have grown the traditional systems have become stressed. Congestion on highways

and at airports not only wastes time and fuel and increases pollution, but

constrains mobility to the extent that economic growth and productivity are

adversely affected.

Increased demand. Between 1980 and 1990, with deregulation and consumer

demand for fast inner-city travel leading to lower airline fares, commercial air

traffic has increased by 56 percent. Adding to the congestion and delay is

increased commuter and regional air traffic. Those short distance flights take

valuable landing slots that could be used for larger planes on more profitable,

longer flights. With the maglev vehicles the shorter trips excluding access

time can be cut a lot. With a study of 16 major corridors of travel, less than

300 miles in length, they studied how well the maglev vehicles could help, and

in 10 out of the 16 the time could be cut at least slightly. Also the cost of

a maglev trip will be less so that even with the longer trips where the maglev

vehicles don't have the time advantage they will have the cost advantage.

Because land is costly and scarce, adding more highway lanes and

building new airports in or near our larger cities is becoming increasingly

difficult. For example, adding new highway capacity in urban areas typically

costs more than $15 million per land mile, and a new Denver airport is estimated

to cost $3 to 4 billion.

Current transportation technologies are petroleum dependent, accounting

for 64 percent of total petroleum use. Without transportation alternatives that

reduce petroleum dependency, transportation related petroleum use is expected to

remain high--36 percent above our own US petroleum production, so we will have

to get the oil from other countries which will raise taxes on oil imports,

possibly creating national security problems.

High speed ground transportation systems are capable of approaching the

speed of airplane flight while offering some of the flexibility of the

automobile, such systems can provide added capacity in dense corridors around

the world. Because of its very high speed, it will be more likely to attract

medium distance air travelers and highway drivers than high speed rail.

Electrically powered, maglev will be virtually independent of petroleum

based fuels decreasing our need for foreign oil products. Maglev networks will

help decrease air pollution and lessen US dependence on foreign oil. Also,

maglev systems will complement existing transportation systems-by lessening the

air traffic, highway traffic leaving the extra routes free for businesses to use.

The American government has already put billions of dollars into the

maglev projects and prototypes. I believe that we should just go ahead and

spend a little bit more and work with the countries like Japan and Germany and

build a maglev transport device for America. I believe with the plans to run

maglev tracks along heavily traveled highways and along highly traveled air

corridors. This will cut back the congestion of the airports causing less of

them to be made at a large cost to America.

One of the problems that we found was a low frequency hum caused by the

maglev vehicles running along the tracks. Which has not been proven. It is

describes by the hearers near the tracks in New Mexico as a low frequency hum

that annoys them late at night when the air is still. Another is the cost many

people think there is no reason to spend so much money on something that may not

even take off in the American public nut there have been unpublished surveys of

people asking if they would switch to maglev transportation if I was easier and

will cost less than conventional travel methods that we have today.

Source: Essay UK - http://www.essay.uk.com/coursework/maglev-consequences.php



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