2 triangular craft with white lights on each point

Two triangular shaped craft were approximately 500 feet in front of my car on a rural back road about 5 miles from Grove City PA. The objects had 3 bright lights in each point of the triangle shape. The objects crossed the road flying in a tight formation, probably less than 50 feet between them. I would guess their size to be that of a medium size plane. I pulled off to the side of the road and attempted to video them with my phone. As I pulled my phone up, the objects moved at a ridiculous speed to the north. I did not notice any sound.