Why Are There Stones Along Railway Tracks?

Why are there stones along railway tracks? Every railroad track in the world seems to have the same thing beneath it: millions of rough gray rocks. From freight railroads in the United States to high-speed trains in Europe and Japan, these stones appear everywhere. But have you ever wondered why? In this video, we explore the fascinating engineering behind railroad ballast and discover how a simple layer of crushed stone helps support trains weighing tens of thousands of tons. You'll learn how ballast distributes weight, absorbs vibration, improves drainage, prevents weeds, and keeps railway tracks stable for decades. We'll also uncover the surprising history of the word "ballast" and its connection to ancient sailing ships. 🔹 Why railroad tracks use stones instead of concrete 🔹 How ballast prevents tracks from sinking 🔹 Why the rocks must be sharp and angular 🔹 How ballast controls water and vegetation 🔹 The unexpected maritime origin of the word ballast If you enjoy engineering, transportation, history, trains, and the hidden design behind everyday things, be sure to subscribe for more videos. #Railway #Train #Railroad #Engineering #Infrastructure