A Norfolk Southern westbound train is about to enter Bennington Curve as it makes the dash for Allegheny Tunnel and the summit.

Fog begins to set in along the Allegheny Front at 2,100 ft above sea level. An eastbound trailer trains navigates down the single track known as "The Slide" after exiting the New Portgage Tunnel b... (more)

A Conrail “TV” train heads west through Tunnelhill, Pennsylvania, on the colorful autumn day of October 23, 1988. A trio of General Electric B36-7s pull the hot train of trailers and containers.

NKP 759 makes it's first runby on this roll of film. We are up on the slope headed back around Horseshoe Curve to Altoona and eventually Harrisburg. Note the welded rail just beginning to be ins... (more)

A Conrail GP40 leads a westbound steel train at Tunnelhill, Pennsylvania, amid the autumn color of October 23, 1988. Conrail No. 3005 is a former New York Central GP40 of the same road number buil... (more)

In a sight that seemed all too familiar back then, a PC wreck derrick works to clear a derailment east of Tunnelhill, PA on July 18, 1975. The night before an eastbound Pennsylvania Power & Light... (more)

NS C40-9W 9674 and C40-8W 8431 near the summit of the grade over the Alleghenies as they pass far below the town of Tunnelhill. Their train can be seen snaking along the hillside in the distance t... (more)

The howl of dynamic brakes echo throughout the mountains as a pair of SD40E's help keep the 20Q under control as it begins its downhill journey to Altoona.

A pair of helper units at the rear of stack train 20Q are using dynamic braking to keep the heavy train moving slowly and safely down the "Slide" and over the famous "East Slope." This view was ta... (more)

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.

With head end helpers ahead and a pair on the rear 10G has no trouble making the top of the grade at AR as it's about to descend "The Slide"

The job of the rear end helpers on 36A has changed from a role of helping it up the 1% grade to helping keep it under control as it descends the 2.27% grade of "the slide"

A pair of SD40E help hold back eastbound coal train 500 in the heavy snow

Two NS double stack trains meet at SF just minutes after sunrise.