The eastbound track between Turnham Green and east of Ravenscourt Park follows the alignment built in 1911; this was closed 1916 but was re-used when the Piccadilly line was extended in 1932.
Det østgående spor mellem Turnham Green og øst for Ravenscourt Park følger linjeføringen anlagt i 1911; dette blev lukket i 1916, men blev genbrugt, da Piccadilly line blev forlænget i 1932.