new Metropolitan Tube Train
times have changed and now it is possible to walk down the whole tube - no more separate carriages
The Metropolitan line runs from Aldgate to Amersham, with branches to Chesham, Uxbridge and Watford covering 66.7km (41.5 miles).
It serves 34 stations and requires 49 trains to operate the peak period service. King's Cross with an annual passenger count of 87 million is the line's busiest station.
Transport for London