Family and friends have lain tributes to Alice Cullen and Helen Brady at the site of a fatal car accident in Sudbury Hill.
Flowers and cards have been placed at the scene where Ms Cullen, 72, and Ms Brady, 70, died after being hit by a blue Renault Clio on Thursday last week.
The car, driven by pensioner Enid Mills, of Abbey Close, Pinner Green, mounted the pavement at the junction with Greenford Road, and collided with the two pedestrians. Following the crash Ms Mills was airlifted to hospital.
Police are asking anyone who witnessed the incident to contact the Collision Investigation Unit at Alperton on 0208 998 5319.