In Washington DC the Metro is a light rail system.
Metro
Metro is a type of railway system
yes
A metro refers to an electric railway that operates underground in a given city.
Juction
In the phrase "city metro," "city" is not typically capitalized unless it is part of a proper noun or the official name of a specific metro system. For example, you would capitalize it in "New York City Metro" but not in "the city metro system." Always follow specific style guides or official naming conventions when in doubt.
London. The Metropolitan railway opened in 1863, and their tunnels still survive as part of the Circle Line on the London Underground.
It is actually short for metropolitan, of or related to the city. The prefix metro comes from the word metropolis from the Greek μήτηρ ( mētēr) "mother" and πόλις (pólis) "city/town" which means is a big city. The term was originally used by the Paris rapid transit system to differentiate it from non-urban railway systems. Thank you Wiktionary.
junction
Yes, there is a metro system in the DC area. It is a network that contains over 100 miles of track. It is the second busiest subway in the United States (after New York City's subway system.) The metro system is known as The Washington Metro.
The Docklands Light Railway system is a railway system that runs through the city of London. There are thirty nine stations throughout the city. All stations have ticket machines, shelter and information available.
Moscow.