Waterloo is a London Underground station located beneath Waterloo National Rail station. As of 2017, it is the second busiest station on the London Underground, with 91.27 million users. It is served by four lines: the Bakerloo, Jubilee, Northern and Waterloo & City lines.
The station is situated in fare zone 1 and is located near the South Bank of the River Thames, in the London Borough of Lambeth. It is within walking distance of the London Eye.