Have you ever wondered when a specific subway station or line was built or how the subway system evolved over time? If so you must check out this interactive subway ridership map. You can drag the slider along the timeline to see which stations are active and what their ridership was for any year from 1905-2006. It is really fascinating to be able to watch the subway lines spring up right before your eyes.
[NYC Subway Ridership, 1905-2006]
