Detectives are appealing for information after a man in his 30s was found with serious injuries in Southchurch Road, Southend on Thursday October 1.
Detective Constable Mark Sawyer said: “We know there were a few cars in the area at the time and would be keen to hear from anyone who has any information.
“If you were in the area or driving passed between 1.30am and 2.15am on the morning of Thursday October 1 and have dash cam footage, please contact us.“
Please quote the crime reference number 42/158748/20.
If you have information but would prefer to remain anonymous please call Crimestoppers on 0800 555 111.