The incident occurred after 6:00 p.m. on the A4 motorway, at the twentieth kilometre. The driver of a passenger car travelling towards Wrocław lost control and hit a barrier. A police car was sent to the scene. When the police officers reached the injured driver, another vehicle hit their car. There was ice on the road. It was decided to close this section of the A4 motorway. Drivers are being redirected to national road 94.
The worst conditions are on routes west of Bolesławiec. The roads are snow-covered in Czerna, Zebrzydowa and farther towards Zgorzelec.