NS power move C48 ducks under one of many Pennsylvania Railroad signal bridges on the Pittsburgh Line.

Westbound stacks roll through the cut approaching Summerhill. Pa.

NS empty coal train 593 heads West under a Pennsylvania Railroad signal bridge in Summerhill, PA.

A pusher set rolls downgrade through Summerhill, passing under the PRR signal bridge.

Phase III heritage unit 145 leads the Pennsylvanian east past CP W between Ehrenfeld and Summerhill on Labor Day 2016.

NS 39Q ducks under the 263 signalbridge in Summerhill. Fresh SD70ACU 7254 trails 3rd.

A westbound trailer train rolls under the classic signal bridge at Summerhill on the West Slope.

In a long exposure, NS 18N, a loaded autorack train, passes under the PRR signals in Summerhill, PA.

Three NS GE's hold back 21T's consist as they head down the westward slope of the Allegheny mountains. Note the old PRR signal bridge that still stands in Summerhill.

Going under the old PRR signals is NS 26T with a 5 unit last up.

The late afternoon sun illuminates the SD40E helpers on the rear of NS 538 at Summerhill as it slowly makes its way up the West Slope towards Altoona. The view is from the Route 219 bridge high ab... (more)

A tale of two helpers. One, along for the ride swiftly running downhill on it's train already mostly done it's duty. The other, notching at full throttle just beginning to push the weight of it's ... (more)