South Eastern Main Line was created in 1844.
Great Eastern Main Line was created in 1849.
South Western Main Line was created in 1840.
South Wales Main Line was created in 1903.
Brighton Main Line was created in 1841.
Caledonian Main Line was created in 1831.
Southern Main Line was created in 1856.
Takayama Main Line was created in 1920.
Nagasaki Main Line was created in 1891.
Sōbu Main Line was created in 1894.
San'in Main Line was created in 1897.
Western Main Line was created in 1856.
Chūō Main Line was created in 1889.