Grasbrunn (dpa / lby) - Two people were seriously injured in an accident on the A99 in Upper Bavaria. The freeway was completely closed for around an hour and a half. A 22-year-old was driving at high speed on Friday in the left lane of the A99 near Grasbrunn (Munich district) when the car of a 23-year-old driving in front of him swerved from the middle lane to the left, the police said on Saturday . The 22-year-old's car collided with the other car, skidded and crashed into a 53-year-old trailer truck driving in the right lane. He was then thrown to the left, collided with the central barrier and finally came to a stop in the left lane. While the 22-year-old and his passenger were seriously injured and had to be taken to the hospital by rescue helicopter or ambulance, the other participants were uninjured.