The driver and only occupant, a 34-year-old man from Teignmouth was cut free from the vehicle by the fire service and was airlifted to Derriford hospital where he remains with potentially life-changing injuries.
The road was closed for three hours while the man was extracted from the car and for an examination of the scene.
Exeter Roads Policing Team are investigating and appealing for witnesses to the collision to contact them. Officers are also keen to hear from anyone who saw the silver Mini travelling west towards the B3192 prior to the incident.
Anyone with information is asked to contact police email@example.com by phone on 101, quoting log number 0273 of 30/07/18.
You can join us on our social media pages, follow us on Facebook or Twitter and keep up to date with whats going on in South Devon.
Got a news story, blog or press release that you’d like to share or want to advertise with us? Contact us