four main companies, often termed the Big Four. The grouping took effect from 1 January 1923. The Big Four and their constituent companies, showing route...

intended to stem the losses being made by many of the country's 120 railway companies, by "grouping" them into four large companies dubbed the "Big Four"....

a process known as "The Grouping" (of the railways), which came into effect on 1 January 1923. On 1 January 1948, the companies were nationalised to...

an incomplete list of the world's railway operating companies listed alphabetically by continent and country. This list includes companies operating both...

also List of railway companies involved in the 1923 grouping). Some lines remained outside this grouping, particularly those operated as Joint railways –...

The Southern Railway in the United Kingdom was one of the "Big Four" railway companies set up after the 1923 Grouping. This list sets out the constituents...

The Southern Railway (SR), sometimes shortened to 'Southern', was a British railway company established in the 1923 Grouping. It linked London with the...

ISBN 0-7110-0024-7 List of early British railway companies List of railway companies involved in the 1923 grouping Joint station (UK), Union station (USA) "The Portpatrick...

required the grouping of over 120 separate railways into four. The companies merged into the LMS included the London and North Western Railway, the Midland...

In 1923, it became a constituent of the London, Midland and Scottish (LMS) railway, and, in 1948, the London Midland Region of British Railways. The company...

to create the London, Midland and Scottish Railway at grouping in 1923. The Midland had a large network of lines emanating from Derby, stretching to London...

other railway companies. These are listed here in two groups. The early amalgamations (mostly between 1843 and 1900) often involved railway companies that...

other railways to form the London and North Eastern Railway at the Grouping in 1923. Its main line survives to the present day as part of the East Coast...

preserved its name through the "grouping", under which smaller companies were amalgamated into four main companies in 1922 and 1923. The GWR built a war memorial...

lines. The LB&SCR was formed by a merger of five companies in 1846, and merged with the L&SWR, the SE&CR and several minor railway companies in southern...

constituent companies. The LMS, formed on 1 January 1923 from many smaller companies included the Caledonian Railway (CR), Furness Railway (FR), Glasgow...

[page needed] In the grouping of 1923, the two joint owners of the M&GNJR were absorbed into two separate companies (the Midland into the London, Midland...

Railway, on 1 January 1923, as part of the grouping of the railways. It was the largest constituent: it operated 862 route miles, and was involved in...

Doncaster Works Midland Railway Rolling stock Great Northern Railway Stratford Works List of railway companies involved in the 1923 grouping Horwich Works William...

becoming constituents of the Southern Railway on 1 January 1923. There had been proposals for a railway between London and Dover in 1825, 1832 and 1835...

2023. Returns of Accidents and Casualties as reported to the Board of Trade by the several railway companies of the United Kingdom during the year ending...

The Highland Railway (HR) was one of the smaller British railways before the Railways Act 1921, operating north of Perth railway station in Scotland and...

the system of extraction was changed to dry mining. Technical difficulties resulted in the mine closing in 1930. Compulsory grouping of the railways took...

British Railway (NBR), and North Eastern Railway (NER) Minor Companies (absorbed between July 1923 and July 1924) Colne Valley and Halstead Railway (CV&HR)...

become. At the 1923 Grouping of British railway companies, the Committee became part of the London, Midland and Scottish Railway (LMS). After the nationalisation...

The Isle of Wight Central Railway (IoWCR) was a railway company on the Isle of Wight, United Kingdom. It was formed in 1887 by the merging of three earlier...

The Great North of Scotland Railway (GNSR) was one of the two smallest of the five major Scottish railway companies prior to the 1923 Grouping, operating...

During the post-grouping era from 1923 to 1948, the 4-6-0 wheel arrangement was used extensively by all of the Big Four British railway companies, especially...

through the following steps: the "railways, works and undertakings of the Companies comprised in the Canadian Northern System" were vested in the newly...

This is a list of past and present rolling stock used on the Vale of Rheidol Railway (Welsh: Rheilffordd Cwm Rheidol), a 1 ft 11+3⁄4 in (603 mm) narrow...