Emergency call handlers first received reports of a two-vehicle collision on Seven Mile Lane at around 7.15am on Wednesday 20 March 2024.
Officers from the West Division Local Policing Team attended the scene alongside South East Coast Ambulance Service, where a car and motorbike had collided at the junction of Comp Lane.
The 31-year-old motorcyclist sustained serious injuries and was airlifted to a London hospital for treatment. He has since been discharged.
Anyone with information, including nearby residents with doorbell cameras or CCTV and drivers with relevant dashcam footage, are urged to call the west Kent appeals line on 01622 604100, quoting reference 46/47295/24.
You can also contact Crimestoppers anonymously on 0800 555111 or by using the online form on their website.