(WPXI) – At least five people were injured in a head-on collision between a Pittsburgh Regional Transit bus and a vehicle this morning. The crash happened in the area of Cedar Avenue and Suismon Street around 10 a.m. A PRT spokesman said a car crossed the center line and struck the bus head-on. The driver of the car was unconscious but breathing, according to the spokesman. The bus driver and three passengers were taken to a hospital for non-serious injuries, the PRT spokesman said.