The westbound carriageway of the M27 near Portsmouth has been closed this evening (Sunday 26th June) after a serious collision.
All three lanes of the carriageway are closed from Junction 11 from Fareham to Junction 12 for Cosham and M275 and are likely to stay closed until at least 7am.
Police are attempting to turn around approx 250 vehicles that are trapped behind the collision. These are slowly being moved under police escort back to the on slip of junction 11.
Collision scene investigators are now examining the scene under torch-light.
Police are advising that the Westbound carriageway is unlikely to reopen until at least 5.30am
but following investigations a crane and a flatbed lorry from Boarhunt garage to recovery the flipped vehicle.
Local diversion routes have been out in place these are :Diversion: Follow the hollow circle symbol.Exit the M27 at J11 and take the 3rd exit from the roundabout onto the A27. Stay in the left hand lane and take the 1st exit. At the roundabout take the 1st exit onto the A27 (Porchester Road) eastbound. Continue on the A27 to the Portsbridge interchange. At the roundabout take the 2nd exit to re-join the M27 at J12. Drivers in the area are advised to allow extra time for their journey and to consider alternative routes if possible
Officers from the Hampshire Road Policing are appealing for any drivers who may have dash cam footage of the vehicle prior to the collision to contact them on 101.