The bus with license plate 22 BG 032 under the direction of Salih Karahan, carrying AK Party voters, hit the truck with license plate number 06 AVG 91 under the administration of Evren Bulut in the direction of Istanbul, Sapanca Yanık location.
Police, health and fire crews were dispatched to the accident site upon notification.
The driver, who was stuck in the bus, was rescued by the firefighters and handed over to the paramedics.
Of the 28 people injured in the accident, 22 were taken to Kocaeli City Hospital, Kocaeli State Hospital, Kocaeli University Hospital, and 6 were taken to Sakarya Training and Research Hospital and Sadıka Sabancı State Hospital.
The treatment of the driver Karahan, who was transferred to Kocaeli City Hospital after his first intervention, continues.
It was learned that the injured were discharged after their treatment in good condition.