The A47 Hardwick Road roundabout has reopened after a crash closed the busy west Norfolk junction.
Police, two fire crews from King's Lynn, two ambulances and an ambulance officer were called to the scene following a collision between a car and a moped on Hardwick Road in King's Lynn.
An air ambulance was also called.
A police spokesman said officers were called at 3.50pm to reports of a serious road traffic collision on Hardwick Road.
Fire crews were also called out to the incident just before 3.50pm, helping to release two people from a vehicle.
The incident is near Frankie and Benny's near the Hardwick Roundabout.
An ambulance spokesman said: "We were called at 3.45pm with reports of a collision in Hardwick Road, King's Lynn.
"We sent two ambulances and an ambulance officer." The road was reopened shortly after 5.15pm.
Emergency services remain on the scene.
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