A man, who is said to be 47 years old, was hit by a car in Whalebone Lane, just before 2am on Saturday.
The Police and Ambulance Service were called to the scene but the man was pronounced dead by 3am.
Police have reported that the drive of the vehicle did stop at the scene.
A Police spokesperson said that a 27 year old man has been arrested on suspicion of causing death by dangerous driving and also driving under the influence of alcohol.
The road had been closed off in the early hours of Sunday morning; however, the road if now back open.
Police are asking that members of the public who saw anything to call Chadwell Heath station on 020 8597 4874.