NS SD40E leads a westbound train. The SD40E is actually lead unit of a helper set that was added on in Altoona

NS SD40E's 6316 and 6326 lead a westbound mixed freight round the bend on to the straight parallel with 10th Avenue in Altoona, PA.

NS helpers going past Alto tower at Altoona. They are going to push a heavy train.

In a heavy snow squall, a pair of helpers shove the rear of intermodal 26T towards Gallitzin and Horseshoe Curve.

Rear end helpers for a Norfolk Southern 10G working east along the West Slope.

Troubles for 10G After a day of troubles the NS 10G finally has a good enough pair of helpers to continue the rest of its trip without worry. Seen here the 10G passes beneath the sig... (more)

PT 243.5

6316 & 6321 shove on the tail end of 852 as they grind up hill towards Gallitzin.

21Q gets some assistance west rolling past a fixture of Altoona

NS SD40-E 6316 waits for a 534 coal train to push up the West Slope at Conemaugh,Pa. / Woodvale Yard, While the "Ranger" waits to chase it...