London Midland Electrification
1961
1961
1988
1923-1947
1950
1929
1958
1926
1954
circa 1929
1946
1958
1953
1962
1935
1985
1959
circa 1948
1950
1985
1927
1947
1946
1985
1923-1947
1929
1932
1900
1947
1952
circa 1959
1952
1928
1929
1989
1929