It Looks Like Ordinary Gravel—So Why Is It Under Almost Every Railroad Track?
Stand beside a railroad line and one detail is so common that it is easy to ignore. Beneath the rails and ties sits a thick…
Railroad Infrastructure
Steam Locomotives Could Carry Tons of Freight—So Why Did They Have to Stop for Water So Often?
Picture a steam locomotive crossing Montana. Heavy freight behind it. Smoke stretching across the sky. Steel wheels turning steadily over the rails. From the outside,…
Why Are Railroad Tracks Surrounded by Thousands of Rocks? They’re Doing More Work Than You Think
Look at almost any traditional railroad track and you will see the same basic arrangement. Two steel rails. Cross ties underneath them. And thousands upon…