That is what the railroads say when there is a vast amount of heavy snow. I think you'll enjoy seeing this video of how railroads keep their systems running during extreme snows. AccuWeather Enterprise Solutions serves 100% of America's Class One Railroads and most of the others.
Put your son or daughter on your lap, enlarge it to full screen and enjoy.
P.S. I should add that lesser snows are handled with plows. This is fun, too.