A man is in hospital following collision on the A140 between a tractor and a motorcycle.
It happened just north of the Mendlesham mast, and police were called at 9.26am.
The rider ended up in a ditch following the collision and fire crews were called to help the man into the care of the ambulance service.
The rider has suffered leg injuries, but his condition is not thought to be life-threatening.
Diversions around the area were put in place south and northbound while the emergency services worked. The A140 reopened at 10.48am.