Detectives are appealing for information and witnesses after a woman was left critically injured following a collision with a car in Colney Hatch Lane, N10.
Police and London Ambulance Service were called at 22:03hrs on Saturday, 12 September following reports of a road traffic collision.
Both attended and found a female pedestrian believed to be aged in her thirties suffering from serious head injuries as a result of a collision with a car.
London Air Ambulance landed a short while later and took the woman to a central London hospital where she remains in a critical condition.
The driver of the car involved stopped at the scene and is assisting police with their enquiries.
No arrests have been made.
Officers from Haringey and the Roads and Transport Policing Command are on scene and investigating.
Local road closures have now been lifted.
Anyone with information is urged to call Alperton Traffic Garage on 0208-991-9555 or Crimestoppers anonymously on 0800-555-111.