Washington Metro was created in 1976.
Orange Line - Washington Metro - was created in 1978.
Blue Line - Washington Metro - was created in 1977.
Red Line - Washington Metro - was created in 1976.
Washington - Los Angeles Metro station - was created in 1990.
According to the Wikipedia page for the Washington Metro, the Washington DC Metro rail first opened it doors in 1976.
You can purchase Washington Metro tickets at vending machines located at Metro stations or online through the official Metro website.
At Metro was created in 2006.
No. Washington DC is a single metro area. It did subsume the older city of Georgetown MD, when DC was created by Congress.
Papineau - Montreal Metro - was created in 1966.
Fairfield Metro - Metro-North station - was created in 2011.
The Washington Metro was opened on March 27th, 1976. According to the Washington D.C. tourist page the metro is thirty seven years old and carries almost one million people daily.
Damascus Metro was created in 2016.