Running on approaches, CSX M-541 creeps to the intermediate signals at Lair on the CSX CC Sub, passing its northbound counterpart CSX M-542.
Snaking its way through around the hills and valleys that make up Mammoth Cave, CSX M202 rounds the bend to cross the level crossing at Raider Hollow Rd, in Munfordville, KY.
Southern Railroad's 4501 leads the Summerville special.