District line: South of Kensington Olympia short sections of the 1862 West London Railway (WLR) and its 1863 West London Extension Railway (WLER) were used when District extended from Earl's Court in 1872.
District line: Syd for Kensington (Olympia) blev korte dele af West London Railway (WLR) fra 1862 og dennes 1863 West London Extension Railway (WLER) benyttet, da District line forlængedes fra Earl's Court i 1872.