Police were called at 8.04am on Tuesday, 17 November 2020 to reports of a collision involving a lorry and a cyclist on the A20 Sidcup bypass Kent bound, near the slip road to Frognal Corner roundabout.
Officers and the London Ambulance Service attended the scene.
The female cyclist was found unresponsive at the scene and was taken to a south London hospital for treatment of her injuries, which continue to impact her life.
The driver of the lorry was interviewed at the scene, no arrests were made.
Detectives from the Roads and Transport Policing Command are keen to speak with anyone who witnessed the collision or may have captured it on dash cam footage.
Anyone with information is asked to call police on 101 or tweet @MetCC quoting CAD 1334/17Nov.