Kinmundy Road in Peterhead, between the A90 junction and Abernethy Road, will be closed for a further two weeks beginning on Tuesday, May 19.
The road has been closed since April to allow for the construction of a new roundabout and for footway works.
An alternative route will be available via A90 north to Howe O Buchan roundabout, Longside Road, Meethill Road and Kinmundy Road.
Pedestrian access will be maintained in all cases, as will vehicle access to affected properties where possible.
Aberdeenshire Council apologises for any inconvenience caused during the works.
Visit their website for road updates.