CSX 86 (with most of its train still on the CSX/NS connection bridge) enters a curve downgrade into Cadet Yard Limits near the 4th Street grade crossing in Big Stone Gap, VA.
This signal (even though it is located in CSX territory) is the first signal for Southbound trains approaching the Norfolk Southern connection at 9th Street in Big Stone Gap.
CSX 86 is working its way * North (west by compass) passed the Hubbard Springs siding with 77 empty cars from Eastman Chemical Company in Kingsport to a Martin, KY coal flood loader.
CSXT 459 gets coupled to the South Bound loaded coal train to assist up the grade behind the Patio Drive-In in Pennington Gap and will assist across NS Trackage Rights to Watkins, VA.