At least thirteen people were injured as a result of the impacts. One of them, a man in his 50s, suffered serious injuries and had to be evacuated by helicopter to University Hospital in Burgos.
The crashes occurred simultaneously at around 19.00 hours at kilometer 140 of the A-1, one in each direction of the road, which records intense traffic on Sunday. The most serious incident occurred in Burgos direction, with more than 40 vehicles affected and ten injured, including the man who has suffered serious injury.
In the opposite direction five vehicles were involved and three passengers were injured. The accidents have caused considerable disruption to the road network.