Police have named the 31-year-old man who died following a crash at Hillberry last Friday as Jack Sheppard.
The incident occurred at approximately 9.30am on the A18 Mountain Road.
In a statement, police extended their condolences to Mr Sheppard’s family and friends, who are being supported by specialist officers.
They said: As the investigation continues, a number of witnesses have already been identified.
“However, officers remain keen to hear from anyone who has not yet spoken to police but may have witnessed the vehicle being driven along the A18 Mountain Road or through Hillberry where the collision occurred.”
Police also request any dashcam footage from the area. “This may assist in establishing the full circumstances of the collision,” the statement said.
Anyone with information is urged to contact the Isle of Man Constabulary on 01624 631212, quoting reference 1283/26. Information can also be provided anonymously via Crimestoppers on 0800 555 111.