The incident happened on the M25 from junction 5 Sevenoaks near Brasted just after 6.20am today (September 3).
Officers and South East Coast Ambulance Service crews attended and found a person injured.
M25 clockwise Chipstead closed after crash: Live traffic
They were treated at the scene by paramedics where their condition is unknown at this stage.
The closure on the M25 has caused congestion to junction 4 near Orpington and also six miles back along the M26.
We have contacted South East Coast Ambulance Service for further details on the crash.
A spokesperson for Kent Police said: “Kent Police was called at 6.21am on Wednesday 3 September 2025 to the M25, near to Brasted following reports a car had left the carriageway and collided with some bushes.
“Officers attended, along with SECAMB and KFRS. One person has been treated for injuries by paramedic crews.
“Recovery of the vehicle in underway.”