• Effective
    23/03/2026 - 25/03/2026

Services X4  Heading Towards Gunwharf :
 
When you reach the J&J Junction after serving racecourse lane stay in the left hand lane and then stay in the middle lane heading towards IBM Western road follow all the way to Hilsea Roundbout take 3rd exit onto Hilsea roundbout and follow the usual diversion through Stamshaw, Northern parade 

Services X4 Heading Towards Fareham :

Services are diverting via Twyford Avenue, Northern Parade, London Road and Western Road.​​
Normal route until Rudmore roundabout but DO NOT turn onto the M275 but take 3rd EXIT onto Twyford Avenue / Northern Parade, continue out of Portsmouth until the Portsbridge roundabout and take the 1st EXIT onto Western Road, this will lead you to the traffic light junction by the Marriot Hotel where you .will be back onto normal route.
 

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