Around 40 passengers were on board at the time of the accident. At least 20 passengers sustained injuries, while the bus driver suffered serious injuries. Tirupati: A private bus travelling from Bengaluru to Visakhapatnam, hit a road divider and overturned. The accident took place at Kota village in Chandragiri mandal in the early hours of Saturday. Police rushed to the spot and shifted the injured passengers to a nearby hospital for treatment.