Drivers using the A12 between Essex and Suffolk should prepare for a series of overnight closures over the coming weeks. Work is scheduled to begin on Monday and will continue until 31 January, affecting the northbound carriageway between the Crown Interchange at Colchester and the Copdock roundabout near Ipswich.
The closures will take place each night from 20:00 to 05:00 GMT.
National Highways has confirmed that the work involves resurfacing the road, along with the replacement and refreshing of road markings and cat’s eyes.
Motorists travelling towards Ipswich during the overnight closures are advised to follow a diversion route. Drivers will leave the A12 at junction 29, the Crown Interchange, and use the B1035 Clacton Road via the A120/B1035 roundabout. The route continues north along the B1352 Long Road to Lawford, then onto the A137 to reach the A14 junction 56 at Wherstead Interchange. From there, traffic can rejoin the A14 and continue to junction 55 at the Copdock Interchange.
The National Highways Website said “Once complete, the A12 will offer more reliable journey times, improved road conditions, and a safer driving experience for all users.”
National Highways has urged drivers to plan ahead and allow extra time for journeys. The temporary closures are intended to improve road safety and driving conditions along this busy section of the A12.


