It happened near Daisy Mount.
The A30 has now reopened Eastbound at Daisy Mount after a vehicle fire.
Photos show the Land Rover Discovery well alight.
3 Fire Crews from Devon and Somerset Fire and Rescue, as well as Officers from Devon and Cornwall's road policing unit are on the scene.
@ExpressandEcho vehicle fire on A30 eastbound near Honiton pic.twitter.com/cFyTjt37H3
— Ian Somner (@Ian_Somner) September 30, 2019