Disruption on South West Trains between Hounslow and Waterloo, between Weybridge and Waterloo and between Windsor and Eton Riverside and Waterloo due to signalling problem at Barnes.
Tickets being accepted on London Underground and London Bus services. Waterloo - Twickenham services via Brentford are cancelled. Journey times may be extended by up to 50 minutes until the end of service today.
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The M20 London bound carriageway has now been reopened to traffic but Operation Stack is expected to remain in place into the weekend.
Friday morning's forecast for the east of the region
Friday morning's forecast for the west of the region