Bush Railway (GWR) City and South London Railway: London Electric Railway: : amalgamation of the Baker Street and Waterloo Railway, Great Northern, Piccadilly and Brompton Railway and Charing Cross, Euston and Hampstead Railway District Railway: Other electric/steam railways: Liverpool Overhead Railway: Mersey Railway: Metropolitan Railway: steam and electric including the Great Northern and City Railway Light and similar railways (standard gauge) Bideford, Westward Ho! and Appledore Railway: closed at time of grouping Bishops Castle Railway: Corringham Light Railway: Derwent Valley Light Railway: Easingwold Railway: East Kent Railway: Glasgow (Cable) Subway: Hellingly Hospital Railway: Hundred of Manhood and Selsey Tramways: * Kent & East Sussex Railway: * Mumbles Railway: Nidd Valley Light Railway: public; private North Sunderland Railway: Rowrah and Kelton Fell Railway: Shropshire and Montgomeryshire Railway * Stocksbridge Railway: Swansea Improvements and Tramways Company: Wantage Tramway: Weston, Clevedon and Portishead Railway: Light and similar railways (narrow gauge) Ashover Light Railway: ; Brighton Electric Railway: ; Camborne and Redruth Tramway: ; Campbeltown and Machrihanish Railway: ; Corris Railway: ; Ravenglass and Eskdale Railway: ; Ffestiniog Railway: ; Glyn Valley Railway: ; North Wales Narrow Gauge Railways: ; Portmadoc, Beddgelert and South Snowdon Railway: ; Rye and Camber Tramway: ; Snailbeach District Railways: ; Snowdon Mountain Tramroad: ; ; rack railway Southwold Railway: ; Talyllyn Railway: ; Wolverton and Stony Stratford Tramway: ; owned by LMSR Railways outside the jurisdiction of the Railways Act 1921 The Railways Act 1921 only extended to Great Britain. Railways in Ireland and the Crown Dependencies were not affected unless owned by a railway company in Great Britain. The railways included in this section were standard gauge, unless otherwise noted: Alderney Railway Belfast and County Down Railway; Cork, Bandon and South Coast Railway; ; Dublin and South Eastern Railway; ; Great Northern Railway (Ireland); ; Great Southern and Western Railway; ; Guernsey Railway; Isle of Man Railway; ; Jersey Eastern Railway; Jersey Railway and Tramways; ; Londonderry and Lough Swilly Railway; Sligo, Leitrim and Northern Counties Railway; Manx Electric Railway; ; ; and ; Midland Great Western Railway; ; Miscellaneous railways The railways included in this section were standard gauge, unless otherwise noted: Felixstowe Docks and Railway: Manchester Ship Canal: Mersey Docks and Harbour Board: Milford Haven Dock and Railway: Pentewan Railway: ; ; temporarily closed 1923 Trafford Park: See also History of rail transport in Great Britain Rail transport in Great Britain Big four British railway