Police were called to the Dartford west tunnel at around 2.50pm yesterday (Sunday, April 7) to a crash involving two vehicles.
The South East Coast Ambulance Service also attended.
The woman was taken to hospital to be treated for her injuries and the road was reopened by 3.50pm.
A spokesperson for Kent Police said: “Kent Police were called just before 2.50pm on Sunday 7 April 2024 to a two-vehicle collision at the Dartford tunnel.
“Officers attended the scene alongside South East Coast Ambulance Service, where a woman was taken to hospital for treatment to injuries.
“The road was re-opened by 3.50pm.”
The News Shopper has contacted South East Coast Ambulance Service for more information.