Three appliances and crews attended – one from Beaconsfield, Gerrards Cross and High Wycombe, along with an officer.
Firefighters released one female from a car that was on the grass verge. Firefighters used cutting gear, a hose reel, small gear and an immediate emergency care pack. The female was then passed into the care of South Central Ambulance Service.
Thames Valley Police and National Highways were also in attendance.
