London Midland and Scottish Railway

The London Midland and Scottish Railway was formed in 1923 from the merger of several major railways including the London & North Western, Midland, and Caledonian Railways. It became Britain's largest railway by route mileage and operated from London to Scotland, serving major industrial centers.

Under Chief Mechanical Engineer William Stanier, the LMS developed a family of highly successful standard locomotives. The Princess Royal and Coronation class Pacifics were among Britain's most powerful express locomotives, while the Black Five 4-6-0 became the quintessential British mixed-traffic engine.

The distinctive Crimson Lake livery was applied to express locomotives and coaches, while black was used for freight and secondary passenger engines. The streamlined Coronation Scot service captured public imagination in the 1930s.

The LMS is popular with modelers for its variety of locomotive designs and comprehensive product availability from UK manufacturers.