There is gridlock across Ipswich after police closed a stretch of the A14 near the Orwell Bridge following a collision between two HGVs.
The A14 is set to be closed westbound, between junction 57 at Nacton Heath and junction 56 at Wherstead, probably until lunchtime.
Drivers are experiencing long delays on nearly every other major route in and out of Ipswich as police await for recovery vehicles to come and help clear up the incident.
MORE: A14 to be closed until lunch after HGV crash
Police were called to the scene, by the Shell petrol station at Nacton, just after 6am to the crash between a Volvo lorry and a Mercedes lorry.
A force spokesman said one of the HGVs had jack-knifed, which appears to be the Mercedes.
Stuck traffic was diverted off the A14 at the junction, said police.
The closure has caused traffic congestion for miles back to junction 58, the Seven Hills roundabout.
Westbound motorists have been advised to take junction 58, through Ipswich and onto the Copdock interchange.
There are also traffic problems on many roads across Ipswich.
There are long delays in Wherstead Road, Nacton Road and Felixstowe Road, as well as London Road and Norwich Road.
Drivers are also recording delays on the A12 northbound at Copdock.
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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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