The two cars collided on the eastbound carriageway
Kenneth Berry, 54, from Woolwich, passed away after the collision on Tuesday, 20 March 2018.
The crash happened on the eastbound carriageway between the Ferry Lane and New Road junction.
Mohammed Ali, 21, of Barnet Grove, Bethnal Green, pleaded guilty to causing death by dangerous driving and causing death by driving a vehicle while uninsured.
He is due to be sentenced at Woolwich Crown Court in the week commencing Monday, 24 August 2020.
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