A section of the A11 at Mildenhall remains closed following a collision whilst recovery of the vehicles involved takes place.
Emergency services were called to the scene of the three vehicle collision along the A11 north of Fiveways at 11.15am.
The collision involved a VW Passat, Citroen Picasso and a box van.
The female driver of the VW Passat sustained serious injuries and was taken by land ambulance to Addenbrookes Hospital. The male driver of the box van was taken to West Suffolk Hospital with minor injuries. The driver of the Citroen Picasso was uninjured.
Witnesses to the collision are asked to call the Serious Collision Investigation Team on 101 quoting CAD 131 of 1/4/14.