UPDATE from National Highways: Important roadworks information
A12 southbound between junctions 19 (Boreham Interchange) and 15 (Webbs Farm Interchange) – maintenance work
The next phase of the works is on the A12 southbound between junctions 19 and 15. National Highways will replace worn road studs (cat’s eyes), renew road markings and replace marker posts. Once complete, this work will give drivers clearer guidance and better visibility, helping to keep journeys safer and more reliable.
This work is planned to be run over four weeks from Tuesday 05 May to Friday 29 May 2026 (works will take place overnight between 9pm and 5am on weeknights only, weather permitting).
Closures and diversions
To carry out the work safely, the A12 will be closed southbound between junctions 19 and 15, and traffic diverted as detailed below:
If you’re travelling southbound on the A12 via junction 19, follow the below signed diversion:
Leave the A12 at junction 19 and join the A131
Continue on the A131 and join the A1016
Stay on the A1016 through Nabbotts Farm Roundabout to Widford Roundabout
At Widford Roundabout, take the second exit onto the A414
Continue to junction 15 of the A12 at Webbs Farm Interchange
Rejoin the A12 and continue your journey southbound
To find out more about the scheme, please visit http://nationalhighways.co.uk/…/east-maintenance-schemes/
To find out more about road improvements carried our across the East of England, please visit nationalhighways.co.uk/our-work/
If you would like more information, please contact National Highways on 0300 123 5000, or by email at info@nationalhighways.co.uk






