The emergency services, including the air ambulance, responded to the incident in Stanmer Park around 7.40pm on Sunday.
Police officers and East Sussex firefighters were also called to the scene.
Sussex Police said the driver was taken to hospital with serious injuries after the ‘single-vehicle collision’.
A spokesperson for South East Coast Ambulance Service (SECAmb) said: “Ambulance crews attended the scene alongside the air ambulance service and one person was assessed and treated before being taken to Royal Sussex County Hospital in Brighton by road.”
1. Brighton collision
The emergency services, including the air ambulance, responded to the incident in Stanmer Park. Photo: Eddie Mitchell Photo: Eddie Mitchell
2. Brighton collision
The emergency services, including the air ambulance, responded to the incident in Stanmer Park. Photo: Eddie Mitchell Photo: Eddie Mitchell