Sussex Police said the van crashed at the junction between Offington Drive and Offington Avenue at 1.50am on Saturday morning (June 13) and a man was pronounced dead at the scene.
Four other men, who were also occupants of the van, were arrested on suspicion of causing death by dangerous driving.
Flowers and notes have been left at the stub of a tree which appeared to have been knocked down during the incident.
The notes name the man who died as ‘Sam’.
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