Rescue 5341 was alerted with F54 (Upper Nazareth Fire Dept.) for a MVA on Route 946 and Penn Allen Road. Rescue Engine 5412 and Rescue 5341 responded within minutes of dispatch. 5451 (Chief Seiple) arrived on scene with 2 vehicles in the roadway and established 54 command. 5341 arrived on scene, crew de-energized the vehicles and controlled hazards.