Laying Welded Rail

Have you ever wondered how railroad tracks are maintained and upgraded?In "Laying Welded Rail, you'll see a railroad transformed from a 25 mph line with jointed rail to a 50mph line with smooth, welded rail. You'll see the entire process including: • Dropping off the rail • Undercutting • Tamping • Tie inserting • Welding the rail together • Surfacing A great look at the rebuilding of a railroad line from the ground up.