Oh, dude, like, a bunch of US cities have underground subways. You've got the classics like New York City with its iconic subway system, Boston's "T" system, D.C.'s Metro, and even San Francisco's BART. So, yeah, there are quite a few cities in the US where you can catch a train below ground.
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.
Subways have been around for over 150 years, with the first underground railway, the London Underground, opening in 1863. Since then, many cities worldwide have developed their own subway systems, enhancing urban transit. Today, subways serve as a vital mode of transportation in densely populated areas.
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.
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.
there is aior planes,trains and subways
Subways
You need to specify a city. Different cities' subways have different hours. There is no way of guessing which city you are referring to.