A tank train heads up the mountain, helped by pushers as the temperatures plunge.

A pair of SD40E helpers drift toward Rose Yard.

Norfolk Southern Train 63V flies down the grade at the Lilly PA, with a train of garbage. This classic PRR position light signal bridge will soon be replaced, along with all the other remaining vi... (more)

SD40E pushers zip up the mountain at Cassandra.

Snowy pushers help guide a train down the mountain on this 18 degree and falling day.

Pushers roll down the mountain on this snowy cold morning.

NS pushers on a cold snowy day.

SD40E pushers help guide a westbound down the mountain in wintry conditions as the first big storm of the season begins to wind down. About 8 inches of snow has fallen in the past 18 hours.

It's cold! Pushers help a train up the snowy mountain.

As a winter storm begins to tighten it's grip, yet another NS freight hustles west as pushers help with descent.

Pushers assist an intermodal up the mountain. Lots of things have changed since my last visit here about 9 years ago. But the volume of trains has not changed at all.

NS 6322 leads a trash train up snow covered horseshoe curve amid a light snowfall

SD40E 6355 does its best Alco impression as it attempts to single-handedly get 36T up to speed just east of Bison Yard.

NS 6345 shoves a local into a industry in Granite City. A former MRS switcher sits in the background.

NS's Chamblee to East Point transfer job P76 charges through Atlanta, Georgia with a SD40E running long hood forward and is about to step over the Atlanta South District on April 17, 2014.