 The Midland Railway had their own part of New Street station from 8 February 1885, and the entire station was made joint between the LNWR and the Midland Railway from 1 April 1897.Most of the main line railway companies of Great Britain were "grouped" following the Railways Act 1921, into one or other of four new large companies.The LNWR and the Midland Railway were constituents of the new London, Midland and Scottish Railway (the LMS), which from 1923 operated the Stour Valley Line and New Street station.