Officers believe there would have been a number of witnesses to the collision as it was a busy part of the day and are appealing for anyone with any information to get in touch.
Witnesses are asked to call officers at the Kent Police roads policing unit by calling 01622 798571, quoting incident reference 04-0559.
More top news
Becoming brighter with warm sunny spells developing this afternoon but also the risk of heavy showers
Becoming brighter with warm sunny spells but also the risk of heavy showers
Saturday morning's weather for the east of the region