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.
The Tremont Street subway in Boston was opened in 1897, the first subway line in the United States.
Philadelphia, New York, Buffalo, Chicago, Boston, Washington D.C, Los Angeles, St. Louis, Baltimore, Atlanta, Cleveland, San Francisco, San Juan, and Newark have subways.
Many cities have subway systems including, New York, Chicago, Washington DC; London, Paris, Moscow etc.
Boston
11
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.
underground
Underground.
No! usa is not underground,but some cities ,hotels,etc are underground.
Subways are also called 'theUnderground' ... In New York City they're Subways, but in London, they are The Underground.
Subways are located in most major metropolitan cities such as New York, Miami, Los Angeles, and Philadephia.
Subways allow commuters to travel to the city via trains that go underground so as not to interfere with above ground transportation.
there is aior planes,trains and subways
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.
You need to specify a city. Different cities' subways have different hours. There is no way of guessing which city you are referring to.
Usually cars, subways, and buses