Part of the A10 near King's Lynn has been closed in both directions following an accident.
Thieves Bridge Road, Tottenhill, was closed after an accident involving a Vauxhall car and a van occurred just after 11am.
Police are on the scene and one person has been injured.
A police spokesman said: 'We were called at 11.17am to a road traffic collision involving a car and a van.
'The female driver of the car is being treated at the scene with a head injury.'
A spokesman for the East Anglian ambulance service said: 'We were called to reports of a collision in Lynn Road, Tottenhill, his morning at 11.08am.
'We sent two ambulances to treat two patients, who were both taken to Queen Elizabeth Hospital for further treatment.'
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