There are currently severe delays on the Central line.
Westbound passengers are being advised to take alternative routes following a signal failure at Mile End station.
Tickets are being accepted on London buses, Greater Anglia services, Chiltern Railway and Docklands Light Railway (DLR) services.
Local commuter Jane Clapton is telling Twitter users to avoid the line.
She said: "Avoid the Central Line - got on the train at Wanstead 35 minutes ago, still at Leytonstone..."
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