Overview
- National Highways will close the A12 between Junctions 29 and 33 overnight from January 12 to 31 for resurfacing, refreshed markings and stud replacement, with a signed diversion via the A120, B1035, B1352, A137 and the A14 to Copdock.
- Suffolk Highways will shut the A12 southbound near Melton from January 9 to 12, sending drivers on a 39‑mile diversion routed on A‑roads via the A14 and A140 to accommodate larger vehicles.
- The A47 eastbound at Trowse Newton will be closed on weeknights between January 6 and 16 from 10pm to 6am for flood‑reduction works, with traffic diverted via the A140 and A146.
- LED lighting upgrades on the A47 between Tilney All Saints and King’s Lynn resume January 5 to March 20 with weeknight closures from 8pm to 6am and full weekend shutdowns on January 9–12, January 23–26, February 6–9 and February 20–23.
- Further scheduled works include reported overnight A14 closures between junctions 35 and 39 from January 19 to 30 and separate A180 LED upgrades requiring staged overnight closures through February.