The A46 Lincoln bypass between Skellingthorpe and Carholme roundabouts will be closed overnight for a month for resurfacing.
Work will take place overnight between 8pm and 6am, from Monday, June 23, to July 20.
Only one carriageway will be closed at any one time.
Work will be carried out on the southbound carriageway from June 23-29, and the northbound between July 14-20.
Diversions will be signed.