Police have released the name of the person who died in a crash on State Highway 8, Alexandra on Tuesday morning.

He was 19-year-old Sebastian Henry Waldron, of Alexandra.

The Serious Crash Unit attended and enquiries into the circumstances of the crash are ongoing.

Police said crashes of this nature were incredibly confronting, and they had arranged the appropriate support for the members of public who were first at the scene, as well as its staff.

Acting Sergeant James McDonald and his team would like to thank everyone for their assistance and bravery.

"We understand an event like this sends a shock through the local community, and we send our sincerest condolences to Mr Waldron’s family."