Police confirmed the man, believed to be in his late 20s, died after the collision under the Green Man Roundabout just after 2am.
Two cars, an Audi and a Range Rover, were involved with both cars severely damaged.
The man’s next of kin have now been informed.
A number of other people were taken to hospital but their injuries are not life-threatening.
Four people, from the Range Rover, have been arrested on suspicion of drug offences and causing death by dangerous driving.
Officers would like anyone with dashcam footage to contact the Serious Collision Investigation Unit on 0208 597 4874.
Alternatively call 101 quoting cad 550/6 Sept with information, or tweet @MetCC.
You can also call Crimestoppers anonymously via 0800 555 111.Tags: Redbridge, Wanstead, Waltham Forest, A12
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