At 1716 hours Whiteford Volunteers Citizens Volunteers Sta.56 Fawn GrovePAwere dispatched to the intersection of Graceton Gross Roads at the MDPA State Line for an MVA with Rescue. At 1717hrs. Lt.6-1 arrived and confirmed rescue. At 1717hrs. Chief 6-1E613P692 called enroute. At 1718hrs. Chief 6-1 arrived confirmed heavy entrapmentand reported the incident in York County PA. E613 arrived at 1720hrs. followed by P692 at 1722hrs. Crews found a two vehicle head-on collision with one priority 4 and one priority 2 patient. Also a motorcycle operator priority 2 was injured as a result of the accident however not involved in the collision. The one patient was transported to York Hospital and the other to Upper Chesapeak Medical Center. Crews assisted Sta.56 PSP with extrication scene lighting. Units cleared at 2310hrs.UnitsSta.56C6-1E613P691U671E611A691Light Tower 6PSP