The westbound carriageway of the A14 between Levington and the Seven Hills interchange has reopened after an incident which caused fuel to be spilled on the road.
The incident, which involved a crash between a lorry and a van occurred shortly before 11.30am.
It is described as having taken place just before the exit ramp.
The road was closed from about 11:30am-2:30pm.
Police, fire and rescue and the ambulance service teams attended the scene.
The extent of any injuries is still unclear.
Traffic was diverted along Felixstowe Road from Levington and back onto the A14 at Seven Hills.
For up-to-date information about the county's roads, visit our LIVE Suffolk traffic map.
Join our Suffolk Travel Information group on Facebook for all the latest traffic news in Suffolk.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here