The Didcot, Newbury and Southampton Railway (DN&S) linked Didcot with , carrying services to Southampton via Newbury, , and . In its latter years it was reduced to a rural backwater before its closure just before the Beeching cuts. The DN&S was closed to passengers on 10 September 1962 and to freight in 1967. At the eastern end of Platform 1, there is a raised section of the east car park, which used to be the bay platform for the DN&S line.