1851
Harrow & Wealdstone
Cancelled (points failure)
London Underground service
1859
Stonebridge Park
Cancelled (points failure)
London Underground service
1906
Harrow & Wealdstone
Cancelled (points failure)
London Underground service
1914
Stonebridge Park
Cancelled (points failure)
London Underground service
1921
Harrow & Wealdstone
Cancelled (points failure)
London Underground service
1929
Stonebridge Park
Cancelled (points failure)
London Underground service
1936
Queens Park (London)
Departed
London Underground service
1944
Queens Park (London)
Departed
London Underground service
1951
Queens Park (London)
Departed
London Underground service
1959
Stonebridge Park
Cancelled (points failure)
London Underground service
2006
Harrow & Wealdstone
Cancelled (points failure)
London Underground service
2014
Stonebridge Park
Cancelled (points failure)
London Underground service
2021
Harrow & Wealdstone
Departed
London Underground service
2029
Stonebridge Park
Cancelled (points failure)
London Underground service
2036
Harrow & Wealdstone
Cancelled (points failure)
London Underground service
2044
Stonebridge Park
Departed
London Underground service