The incident occurred on Sunday, June 17, at the 35th kilometre of the A4. For reasons not yet established, a 35-year-old motorcyclist from Legnica County collided with a Porsche driven by a 58-year-old German citizen.
The 35-year-old was seriously injured and was taken to a hospital in Bolesławiec.
Both drivers were sober. The police are determining the cause of the accident.