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Severn Bridge Junction is the area of railway lines just south of Shrewsbury railway station, in Shropshire, England. It is controlled by a mechanical interlocked signal box of the same name, which is now the largest operational mechanical signal box in the world.〔 The Network Rail signalling area code is 'SBJ.' ==Background== The complexity of the railway system in the area is brought about by the convergence of five major lines at ,〔 built in the Victoria era by two competing and yet also co-operating railway companies, the Great Western Railway and the London and North Western Railway. They were competing to connect the coal and raw material supplies of South Wales with the industrialised Midlands and Northwest; and secondly to transport passengers to and from London to the port of Liverpool. After the GWR amalgamated with the Cambrian Railways in 1921, it was also a major point of accessing GWR services into Mid and West Wales:〔 *Cambrian Line (GWR) *Shrewsbury to Chester Line (GWR) *Wolverhampton to Shrewsbury Line (GWR) *Welsh Marches Line: * *North to via Crewe and Shrewsbury Railway (LNWR) * *South to via Shrewsbury and Hereford Railway (Joint) Lines formerly converging in the area also include the regionally important Severn Valley Railway (GWR), and the Stafford to Shrewsbury Line (LNWR). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Severn Bridge Junction」の詳細全文を読む スポンサード リンク
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