Drivers are being advised to plan ahead as overnight work is set to take place at Bassaleg roundabout in Newport.
The work will be carried out from 8pm on Friday 3 July until 5am on Saturday morning.
During the works, all entrances and exits to the roundabout will remain open. However, central sections of the roundabout will be closed while the work is carried out.
Signed diversion routes will be in place via the Chartist Drive roundabout and Junction 28 roundabout to help keep traffic moving.
Motorists are advised to allow extra time for their journeys and follow the signed diversion routes where necessary.
