Kuhl Hose, Emergycare and MPS were dispatched to Knoyle & Jones Rd for a vehicle accident, 1 vehicle roll over.  On arrival Chief 680 reported 2 vehicles heavy damage 1 on its side.  Firefighter on the scene reported 2 patients self extricated with moderate injuries.  687 & MPS transported the Patients to the hospital.  682's crew arrived and secured the vehicles.  PSP was on the scene and is investigating the accident.