Why Do Train Tracks Have Gravel Underneath? 😮 shorts Ballast Gravel
Ballast Stones - Nautical/Naval History - Model Ship World™ Railway ballast gravel clearing process The SECRET Purpose of Stones on Train Tracks 🤯 | Engineering Explained The crushed stones under train tracks, called ballast, provide support, cushioning, and drainage. Made from durable granite or How To Ballast Your Track - Model Railway Basics: Episode Six ...