Passengers at Haywards Heath train station were told to tell their bosses they couldn't get to work and go home. The message came after flooding caused major disruption on the rails - and subsequent chaos on the roads.
Water levels at a tunnel at Balcombe rose to two feet during this morning's rush hour - forcing many to use replacement buses - or their cars.
But even those who chose to drive faced horrific tailbacks - with major delays on the A23 due to flooding - as well as the extra traffic. Charlotte Wilkins reports.
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Forecast for tonight and tomorrow in the west
Forecast for tonight and tomorrow in the east