TFL RAIL: Saturday 28 and Sunday 29 March, no service between Liverpool Street and Shenfield. Use London Underground connections between Liverpool Street and Stratford / Newbury Park. Replacement buses operate. Public transport should only be used for essential journeys and replacement buses may not run to the advertised timetable.
From Monday, 30 March a greatly reduced service will operate on all London Overground lines. Train frequency will be halved to most destinations. In addition, there will be no service between Surrey Quays and New Cross, customers should instead use nearby New Cross Gate. Public Transport should only be used for essential journeys.
Metropolitan Line: A 30 minute service is operating between Baker Street and Watford, between Aldgate and Uxbridge and between Harrow-on-the-Hill and Amersham / Chesham due to operational restrictions. If your journey is essential, take the first train and change where necessary. Public transport should only be used for essential journeys.