8L - Majority of aircraft land here, smaller aircraft (dash8, Crj200,717, SOMETIMES 757,etc) takeoff here and opposite end of RWY if wind changes
8R - NOT A LANDING RUNWAY. Used for takeoffs (777, 767, 747, , C-5, C-17, F-22, etc) and opposite end of RWY if wind changes
4R - Landing (777, 767, 717, 737, C-17, etc)
4L - used for general aviation takeoffs (cessnas, SOMETIMES dash 8, etc)