A fatal accident occurred on the S11 expressway near Poznań, Poland. A truck collided with a group of workers mowing grass along the roadside, striking and killing one man. The incident has resulted in the complete closure of the S11 in the direction of Piła. Authorities anticipate significant traffic delays, potentially lasting until midday, as they investigate the scene and clear the wreckage. Emergency services are on site managing the situation and diverting traffic. The cause of the accident is currently under investigation, with police examining the circumstances surrounding the collision. This incident highlights the dangers faced by road workers and the importance of driver awareness.