Shot of freight train speeding down track towards and past camera. Shot of train of refrigerator cars pulling away from loading shed at factory. Shot of railway cars on tracks in railroad yard from camera train. Shot of small switcher at work in railroad yard of factory. Shot of large locomotive being turned around on turn-table of railroad yard and moving away past camera. Shot of tracks in winter, passenger train rushing past in a cloud of steam as freight train waits on the siding. Shot along freight train as it slowly moves past a station. HAS over large, busy railroad yard, trains passing just below camera. Shots of large locomotives being turned around on turn-table of railroad yard, of locomotives of various sizes moving slowly in yard, of passenger train rushing past station.