A pedestrian has been airlifted to hospital and remains in a critical condition following a crash on the A338 overnight.
Police are appealing for dashcam footage after the man, who lives in Poole and is aged in his 40s, was involved in the collision with a silver Audi A1.
The incident occurred at around 12.25am on Sunday 18 August 2024 on the A338 Wessex Way between the Cooper Dean roundabout and the Blackwater junction.
Road closures were put in place to allow for a detailed examination of the scene to be carried out.
Police Sergeant Mike Gatfield, of the traffic unit, said: “I am appealing to anyone who was travelling in the area and saw what happened to please get in touch.
“In particular, if you have a dashcam fitted to your vehicle I would ask you to please check for any footage captured of relevance that may assist our enquiries.
“I appreciate the road closures will have had a significant impact on the public and I would like to thank everyone for their patience and understanding while they were in place.”
Anyone with information is asked to contact Dorset Police at www.dorset.police.uk via email at scit@dorset.pnn.police.uk or by calling 101, quoting occurrence number 55240126828. Alternatively, independent charity Crimestoppers can be contacted anonymously online at Crimestoppers-uk.org or by calling Freephone 0800 555 111.