Bristol and South Wales Union Railway
1858 Rowland Brotherhood had the contract for the line, built to connect Bristol with South Wales. The route involved a ferry crossing of the River Severn but was considerably shorter than the alternative route through Gloucester.
1868 Engineer is R. P. Brereton.[1]
1874 Clifton Down branch opened.
1886 The ferry was replaced by the Severn Tunnel but part of the route continues to be used.