Changes

This railway abbreviation NWP&O North-Western Province and Oudh Province were two separate provinces from 1856 to 1902, when they joined together as given in 1890 Civil List PWD Railways page 42d United Provinces of Agra and Oudh.<ref>[https://en.wikipedia.org/wiki/United_Provinces_of_Agra_and_Oudh] Wikipedia - United Provinces of Agra and Oudh</ref>

Also see The evidence indicates that by 1890 the North West Provinces & Oudh Provinces Railway was an organisational unit under the Public Works Department(PWD) Railways Branch. They appear to be co-ordinating the various railways that ran through the two provinces.The railway abbreviation section NWP&O as given in 1890 Civil List PWD Railways page xi. 42d <ref>The railway abbreviation NWP&O as given in 1890 Civil List PWD Railways page 42d </ref><ref>[[https://books.google.co.uk/books?id=QS7FmiBwt-QC&printsec=frontcover&dq ] Google Books - abbreviation section page xi. in ''Separatism Among India Muslims'']by Francis Robinson (books.google.co.uk). The initials NWP&O are frequently referred to quite a bit in this book.</ref>