The vehicle was heavily damaged in the crash (credit: Billy Edmunds)
The crash happened at around 6.50pm today at the major junction, which links Wood Lane, Porters Avenue, and Valence Avenue.
A police spokesperson confidential the other car involved was being driven by a member of the public.
It is not known whether or not the police car was responding to an emergency at the time of the collision.
There are no reports of any serious injuries.
Tags: Dagenham