Emergency services have been called to the M4 after a motorist lost control of his car and crashed into a ditch this morning.
Police said the driver of a silver Vauxhall Astra went off the motorway between junction 8/9 in Maidenhead and 10 towards Wokingham at 8.30am.
Fire crews and police from across the area have attended the scene.
No other cars were involved in the incident.
There are reports of long tailbacks west-bound.
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