 The Northern line's station at Waterloo opened on 13 September 1926, as part of the overall extension from Charing Cross to Kennington.The Jubilee line station opened on 24 September 1999 as part of the eastward extension to Stratford.In May 2016, it was announced that platforms 1 to 4 would be lengthened to allow new ten-car Class 707 trains to run.