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Why do you think cities have many underground railway systems or subways?
Wiki User
∙ 9y ago
Subways are built in crowded cities because the roads can not handle the traffic. So long as people can get around on the roads with buses and cars, nobody builds underground railways because they are very expensive.
Wiki User
∙ 9y ago
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What is high density polythene used for?
Pipes. It is used for alot of underground storm, sewer or freshwater pipes by cities.
What was the Roman view toward science and engineering?
Unlike the Greeks, who were primarily interested in knowledge for its own sake, the Romans were very practical. They tried to apply the knowledge they gained from science to planning their cities, building water and sewage systems, and improving farming methods. Without these aqueducts and a superior sewer system, Roman cities could not have grown as large as they did.
What is carrier telephony and what are the features of carrier telephone system?
Carriers are the companies that construct and maintain the networks that provide telephone services. Carrier telephony is a method of transmitting several telephone channels over a single pair of wires. It was used extensively throughout the world in the 1940s through 1980s prior to the introduction of digital transmission systems. Carrier telephony systems ranged from single channel systems that transmitted one carrier channel on top of a normal voice frequency channel to co-axial cable systems that had thousands of channels. It was mostly used to provide trunk lines between cities although subscriber carrier systems did exist.
What has the ability to destroy entire cities and impair electronics?
A large enough body from space (comet, asteroid, meteor) that did not break up when coming through the Earth's atmosphere; a large sun flare or coronal blast; and a nuclear weapon detonation all have the ability to destroy entire cities and impair electronic communication systems.
An advanced culture with science cities and industries?
An advanced culture with Science, cities, and industries is civilization!!!!!!!!!
Who were the first four cities to have an underground railway?
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In what American cities are subways located?
Subways are located in most major metropolitan cities such as New York, Miami, Los Angeles, and Philadephia.
What is subways?
An underground series of tunnels with trains running through them. They are used as a form of mass transit allowing pedestrians to get across big cities generally quicker than by car.
What are subways holiday hours?
You need to specify a city. Different cities' subways have different hours. There is no way of guessing which city you are referring to.
What US cities have underground subways?
Twelve American cities have some form of underground subway system. They are Atlanta, Baltimore, Boston, Chicago, Cleveland, Los Angeles, Miami, New York City, Philadelphia, San Francisco, San Juan, PR, and Washington, DC.
What is the most common means of transportation in cities?
Usually cars, subways, and buses
Where are two places with underground cities?
Seattle and Atalanta have Underground cities. You can take a tour of Seattle Underground.
How big is a subway?
Subways are of different sizes in different cities. Some stretch for many miles.
Is US underground?
No! usa is not underground,but some cities ,hotels,etc are underground.
Does Earth have underground cities?
No, not in the science fiction terms. However, there are many cities with extensive underground parts.
Does Brazil use taxies trains subways or cars?
Yes I know the answer; In Brazil the main system of transport is the Bus, car & airplane. There is no integrated passenger railway; the is one service that runs between Rio de Janerio & Sào Paulo. The major cities do have a 'local' subway or 'metro' systems. Because of its' size air travel has become more popular in recent years with the advent of low-cost air travel.
What was one effect mass transit had on American cities?
Mass transit in cities have made it easier for people to travel in large cities and across the United States. Mass transit includes buses, subways, and trains.
