Complex sentence: It was built as two portions either end of the Much Wenlock and Severn Junction Railway between 1864 and 1867 and for much of its working life it was operated by the Great Western Railway and subsequently the Western Region of British Railways.
Split into simpler sentences: It was built as two portions either end of the Much Wenlock and Severn Junction Railway between 1864 and 1867. For much of its working life it was operated by the Great Western Railway and subsequently the Western Region of British Railways.