Officers are appealing for information following a collision on the A27 at Farlington.
At around 2.20pm on Wednesday, 5 December a serious collision occurred involving six vehicles.
The driver of one of the vehicles, a man aged in his 70s, sustained serious injuries and was taken to Southampton General Hospital for treatment.
PC Zoe Martin, said: “I am appealing for anyone who witnessed this collision to come forward. I would also like to speak to anyone who was travelling along this route at the time of the incident, and has a dash cam fitted in their vehicle, to get in touch with us.”
If you have any information, please contact us on 101, quoting reference number
In an emergency, call 999.