SLIP road closures on the A27 at Hilsea will be in place overnight next week.
Between 10pm and 6am on Tuesday, the eastbound exit and westbound entry at Eastern Road will be affected.
At Hilsea, the westbound exit will be closed.
And on Thursday, the Eastern Road eastbound entry and westbound exit will be shut.
Road users will be diverted via the A3 Southampton Road.