Detectives are appealing for information and witnesses to come forward following a collision between a lorry and a woman at High Road, Tottenham.
Police were called at 09:33hrs on Monday, 30 November to High Road, N17 to reports of a traffic incident at the St Loys Road bus stop.
Upon arrival they established an articulated lorry had been in collision with a 50-year-old female pedestrian.
The injured woman was taken to an east London hospital suffering from serious injuries. She remains in hospital in a critical but stable condition.
Next of kin have been notified.
The driver stopped at the scene and is assisting police with their enquiries. No arrests have been made.
Officers from the Roads and Transport Policing Command based at Alperton investigate.
Anyone who witnessed this incident should call the incident room appeal line on 0208 991 9555 or by dialing 101 quoting reference number 2828644/15.