Original: Before nationalization of the railways in 1948 and the creation of British Railways), Northamptonshire was the base of three of the "Big Four" railway companies; the London, Midland and Scottish Railway, London and North Eastern Railway and Great Western Railway.
Simplified: Before nationalisation of the railways in 1948 and the creation of British Railways), Northamptonshire was home to three of the "Big Four" railway companies; the London, Midland and Scottish Railway, London and North Eastern Railway and Great Western Railway.