[Answer] After NYC, what city has the busiest subway system in the U.S.?

Step 1 : Introduction to the question "After NYC, what city has the busiest subway system in the U.S.?"

...1. Washington, D.C. 2. Chicago 3. Boston 4. San Francisco

Step 2 : Answer to the question "After NYC, what city has the busiest subway system in the U.S.?"

Washington, D.C. - The Washington Metro opened in 1976, and today it spans 117 miles with 91 stations and six lines. Serving the D.C. metropolitan area, the system reaches as far as Arlington and Fairfax in Virginia and Montgomery and Prince George’s counties in Maryland. The busiest of these stations is Union Station, with some 29,000 average passengers boarding per weekday. Still, with an annual ridership of over 271 million, Washington Metro is far less busy than the Big Apple’s subway, which sees nearly 2.8 billion passengers annually.:

Please let us know as comment, if the answer is not correct!

Step 3 : Disclaimer & Terms of Use regarding the question "After NYC, what city has the busiest subway system in the U.S.?"

Our machine learning tool trying its best to find the relevant answer to your question. Now its your turn, "The more we share The more we have". Share our work with whom you care, along with your comment ...Kindly check our comments section, Sometimes our tool may wrong but not our users.

Are We Wrong To Think We're Right? Then Give Right Answer Below As Comment