The collision happened in Romford Road this afternoon (credit: Google Maps)
The collision, which also involved a white Vauxhall Meriva, happened in Romford Road at around 12.30pm this afternoon.
A spokesperson for the East of England Ambulance Service said: “We sent an ambulance, two rapid response vehicles and Essex and Herts Air Ambulance.
“One person was taken to Royal London Hospital by air ambulance for further care.”
Essex Police says the moped rider’s injuries are “potentially life-threatening.”
Romford Road is closed, and a diversion is currently in place.
No arrests have been made and enquiries by police are ongoing.
Tags: Chigwell, Epping Forest, Hainault Forest, Chigwell Row