Central London
From 10:00 until 16:00, a march will take place from Sandall Street (opposite Waterloo station) to Whitehall via York Road and Westminster Bridge. Large crowds and increased traffic levels are expected.
Twickenham Stadium
From 14:00 until 17:00, Twickenham Stadium will host a rugby match, with kick off at 15:00. Large crowds and increased traffic levels are expected before and after the match.
O2 Arena
From 18:30 until 22:30, the O2 Arena will host a music event. Large crowds and increased traffic levels are expected before and after the event.
Wembley Arena
From 19:00 until 23:00, Wembley Arena will host a boxing event. Large crowds and increased traffic levels are expected before and after the event.
Saturday 1 and Sunday 2 February
Trafalgar Square
From 10:00 until 18:00 each day, an annual cultural event will take place. There will be road closures in place around Trafalgar Square throughout the day. Large crowds and increased traffic levels are expected.
Emirates Stadium
From 15:30 until 18:30, Emirates Stadium will host a football match, with kick off at 16:30. Large crowds and increased traffic levels are expected before and after the match.
(taken from the TfL website)