Original: There were also joint railways between the big four and a few light railways to consider - see list of constituents of British Railways . Excluded from nationalisation were industrial lines like the Oxfordshire Ironstone Railway ; narrow-gauge railways , like the Ffestiniog Railway were also excluded , apart from two which were already owned by a company which was itself to be nationalised .
Simplified: Industrial lines like the Oxfordshire Ironstone Railway , narrow-gauge railways like the Ffestiniog Railway , and some light railways like the West Sussex Railway were also excluded .