First train is a long westbound empty coal train CSX E750 and the second train is the Amtrak Capitol Limited passenger train heading east (south) through Point of Rocks Station in Frederick County, Maryland, with the #130 Phase II Heritage engine and several privately owned historic passenger cars (listed below).
Third train is CSX L153 carrying blue ash cars out of the PEPCO spur, followed by the westbound empty autorack train CSX Q217.
Fifth train is the eastbound loaded rock train CSX B548, and the last train is the local CSX L128 headed back west to Brunswick Yard.
The private cars are: