each_moment_ on Instagram: "Key functions of track ballast: Foundation and Stability: The primary role of ballast is to provide a stable and level surface for the railroad ties and rails. The angular, interlocking stones create a strong base that prevents the tracks from moving vertically, longitudinally, and laterally. Weight Distribution: Ballast helps to distribute the massive weight of passing trains over a larger area of the ground, preventing the underlying soil from sinking or becoming un