NS 23G runs on an approach signal eastbound at Montgomery Tunnel.

NS 825 blasts out of Montgomery Tunnel westbound lead by a colorful NS/UP/ex-CR lashup in beautiful light.

BNSF unit leads train out of Montgomery tunnel.

51R pulls through Montgomery Tunnel with 133 empty grain cars in tow.

NS 9809 leads a PGNX unit train westbound out of Montgomery Tunnel on a beautiful fall day.

NS empties emerge from Montgomery Tunnel behind a badly faded CR unit, a high-hood SD40-2 and an MRL unit.

17M Struggles upgrade through the twin bores of Montgomery Tunnel while a Hi-Rail truck sits at the other end.

A very underpowered 823 struggles out of the left bore of Montgomery Tunnel at less than 5 miles per hour.

17M Blasts out of the dual bores at Montgomery Tunnel.

To the right of the photo, a maintenance of way crew is cleaning off their equipment.

Frozen 'catfish'! The lead unit has picked up a layer of ice earlier in its westbound trip.

NS 825 is still grinding up Christiansburg Mountain as it exits the tunnel at Montgomery, VA.