Helper set.
Loaded coal train for PP&L's Montour Steam Electric Station, since renamed Montour Power Plant.
An eastbound freight passes under the signal bridge (MP 239.7) at McGarveys, located about two miles east of the Horseshoe Curve visitors center.
The rear of an eastbound train goes over the top as it starts down "The Slide". The helpers will use their dynamic brakes to hold the train back during the descent into Altoona.
A pair of SD40-2's shove an eastbound freight under the signal bridge at MO Tower in Cresson.
Helper units bring up the rear of a westbound slab train as it passes the connection with the SWP RR near CP RADE.
Four SD40-2's in run 8 help shove a monster coal train east through Jeanette, PA. You could hear this one coming long before the train showed up!