Detectives are appealing for witnesses following a collision in South Tottenham.
Police were called by the London Ambulance Service at 01:10hrs on Sunday, 17 February to reports of a car in collision with a cyclist on High Road at the junction with Broad Lane, N15.
The 43-year-old cyclist was taken to an east London hospital where she remains in a critical condition.
Detectives from the Roads and Transport Policing Command are investigating. They would like to speak with anyone who was in the area at the time of the collision, or who may have dashcam footage.
The driver stopped at the scene. There have been no arrests.
Anyone with information is asked to call the Serious Collision Investigation Unit at Alperton on 020 8246 9820 or via 101 quoting reference 469/17Feb