Those in the following list were those organised on an independent basis, usually providing locomotives and rolling stock also.
Joint lines in this respect were wholly owned by two or more other companies.
Joint lines did not always operate any services: they owned the track, stations etc.
and the services were operated by one or more of the parent companies: The Railways Act 1921 only extended to Great Britain.
The railways included in this section were standard gauge, unless otherwise noted: The railways included in this section were standard gauge, unless otherwise noted: