Waterloo Station is the busiest in the system.
Over the course of the three morning rush hours, 60 thousand people move through the station, give or take.
It is also the busiest overall, with approximately 88 million travellers over the course of a year.
It is London Victoria, with around 76 million using the station as of 2007, 60.2 million (78.7%) of that figure using the Victoria line platforms (data from Wikipedia)
In the UK? It would be Monument in Newcastle on the Tyne and Wear Metro, which sees 4 million passengers a year, not including interchanges.
The busiest station on the London Underground is Waterloo.
Waterloo
Waterloo
Proably, outside of London Manchester Picadilly or Birmingham International then Birmingham New Street.
The busiest train station in the UK is London Waterloo.
amersham
Liverpool Street Station, London is generally seen as the busiest in the U.K
It is a considerable distance from a London underground station, however there is a DLR station very close by. It is called Prince Regent DLR station. You can use the DLR to reach central London and make connections on the London Underground.
London Waterloo, which sees 80 million railway passengers a year, 80 million Underground passengers and 7 million railway passengers at the adjoining Waterloo East station.
Each station on the London Underground network has its' own name, clearly defined in the corporate logo or 'roundels'. No station has two different names.
Take the London Underground - the Piccadilly line operates from the underground station at terminal 3 directly to Green Park underground station, the journey takes around 45 minutes.
Waterloo. Sees over 70 million passengers a year and has 18 mainline platforms, 4 at Waterloo East and 8 underground. Also largest by floor area. The busiest by numbers of trains is Clapham Junction, on the same line which terminates at London Waterloo.
Euston most likely, due to the trains coming in and departures.
The Euston Railway Station is located in central London. It is the sixth busiest rail way in London. It is one of 18 railways managed by Network Rail.
Victoria (plum)