The accident occurred between the traffic areas Nääsmotet and Tolleredsmotet at 08.30.
– One has driven into the other, one is stuck. Driven in from behind, says Micael Olsson, alarm and control operator at the Greater Gothenburg rescue service, to TV4 Nyheterna.
It is not clear what happened. According to initial information to the police, three trucks were involved in the accident.
– We have patrols on site but have not received a picture of the situation there yet, says Annika Laag, press spokesperson at police region West.
Completely stop
One person is trapped, but the rest of the damage is unclear.
E20 is closed in the northbound direction towards Alingsås.
– There is a lot of traffic, so the Swedish Transport Agency urges everyone who can to take alternative routes, says Annika Laag.
The text is updated