One crew from High Wycombe attended.
Firefighters were called to a tree that had fallen into the road and onto a car. One adult male and two adult females were in the vehicle uninjured and not trapped.
South Central Ambulance Service were also in attendance.
A tree surgeon and National Highways attended, a full road closure was put in place while the tree was removed from the road.
The incident was then handed over to Thames Valley Police.