A serious incident has forced the closure of the A12 in both directions between Junctions 27 (Spring Lane Interchange) and 29 (Crown Interchange) near Colchester, Essex.
Emergency services, including Essex Police, the East of England Ambulance Service, and the East Anglian Air Ambulance, are currently on the scene. Details of the incident have not yet been confirmed, but authorities are urging motorists to avoid the area and expect significant delays.
Diversion Routes in Place
National Highways has issued alternative routes for affected motorists:
Northbound Diversion:
- Exit the A12 at J27 (Spring Lane Interchange)
- Follow the A133 through Colchester
- At the A1232 (Ipswich Road) roundabout, take the first exit
- Continue northbound on the A1232 and rejoin the A12 at J29
Southbound Diversion:
- Exit the A12 at J29
- At the roundabout, take the second exit onto the A1232
- Follow to the roundabout with St Andrew’s Avenue and Cowdray Avenue, then take the third exit onto the A133
- Continue on the A133 through Colchester to Spring Lane Roundabout
- Take the second exit and rejoin the A12 southbound at J27
Motorists are advised to allow extra travel time, re-route where possible, or consider delaying their journey until the incident is resolved.
Updates and Contact Information
For the latest updates on traffic conditions, road users can:
- Visit: www.trafficengland.com
- Use the National Highways app
- Follow updates via the regional X (Twitter) feed
- Contact the 24/7 National Highways information line at 0300 123 5000
Further updates will follow as more information becomes available regarding the nature of the incident and expected reopening times.