The accident occurred near Brattby.
E12 was initially closed in both directions between the Gubböle and Brattby intersection.
– There is a lot of scrap from the wire railing lying on the road so it is being cleaned up, says Jonas Edberg, officer on duty at the rescue service, at around 8 p.m.
The road could later be reopened.
The driver was alone in the car and no ambulance was called to the scene.