The London Underground S7 and S8 Stock, commonly referred to as S Stock, is a type of passenger train running on the London Underground's subsurface lines since 2010. Manufactured by Bombardier Transp
A Metropolitan line S8 Stock train at Amersham in 2013
The interior of a Circle line S7 Stock train
S8 Stock during testing near Northwood
Selective door operation (SDO) is used at some stations where the platform is shorter than the train, such as at Baker Street
The London Underground A60 and A62 Stock, commonly referred to as A Stock, was a type of sub-surface rolling stock which operated on the Metropolitan line of the London Underground from 12 June 1961 t
Metropolitan line A Stock train at Chorleywood in 2012
The interior of a refurbished A Stock car
An A Stock train stabled at Watford next to one of its predecessors, the P Stock
A red-roofed A Stock in original unpainted livery in 1988