One patient was taken to hospital after a collision on the A505 near Royston.
The ambulance service was called to the crash at 1.47pm on Sunday, August 13.
An ambulance, a rapid response vehicle and the East Anglian Air Ambulance attended the scene and treated one patient with an arm injury.
The patient was taken to Addenbrookes Hospital by land ambulance for further treatment.
Their injuries are not believed to be life-threatening.
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