The alarm came to SOS Alarm at 12:05 on Thursday. Four vehicles are involved in an accident on the E20 four km north of Alingsås.
According to the rescue service, a truck and camper are involved in the accident, among other things. A passenger car should have completed.
"A car is on the roof and it is turned off in both directions," says Lars Larsson, LC leader at the rescue service.
It is unclear if anyone has been injured.
The text is updated.