Question

why ballast is used in railway track​

Answer 1

Explanation:

Ballast is the name for the 'stones' beneath the track. This aggregate forms the trackbed and supports the track. It also helps with drainage, so rain water can drain away rather than pooling, and with preventing vegetation growth, which could destabilise the track and be a hazard for anyone working on the railway

Answer 2

Explanation:

Ballast is the name for the 'stones' beneath the track. This aggregate forms the trackbed and supports thetrack. It also helps with drainage, so rain water can drain away rather than pooling, and with preventing vegetation growth, which could destabilise the track and be a hazard for anyone working on the railway.