The southbound carriageway from the A343 Highclere Common Road junction to the Whitchurch Interchange will be closed overnight, between 10pm and 6am, on Monday 23 February.
A clearly signed diversion will be in place via the A343 and A303.
A lane closure will be in place on the northbound carriageway overnight, between 10pm and 6am, for five nights from Monday 23 February.