By A Mystery Man Writer
Camera on train wheels, applying Brake on wheels, see how it works
Aldon® Roadmaster
Two-Way SaberTooth(r) Portable Railcar Derail for 4-axle locomotives and all freight cars., For use on wood or concrete ties., Tie Spacing: 19
SaberTooth(r) Portable Two-Way Freight Car Derail
How Trains Work
Low Profile Portable Derails - The Nolan Company
Abandoned Railroad Crossing & Train Station
Derailed train hi-res stock photography and images - Page 29 - Alamy
Two bogies of Lucknow-Kanpur train derail at Kanpur station, no casualty
Portable Two-Way Locomotive Derail
Western Safety Rail Equipment Products