The A31 closed in both directions at Farnham due to flooding between A325 West Street (Coxbridge Roundabout, Farnham) and Station Road (Bentley).
The road is fully closed because of deep floodwater. Reports suggest that some drivers are ignoring the road closed signs and are either getting stuck or having to turn around.
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The RMT Union's comments come as it's announced a new operator will takeover the South West Trains franchise.
Monday's forecast for the west of the region
Monday's forecast for the east of the region