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Track ballast
01
the layer of crushed stones or gravel placed under and around railway tracks to keep them in place and provide drainage
track ballast
n
Example
Good drainage is ensured by the track ballast, which keeps water away from the tracks.
Without track ballast, the train tracks would shift and become uneven over time.
The maintenance team regularly checks the track ballast to ensure it is in good condition.
Track ballast helps to prevent the rails from moving when trains pass over them.
The workers spread new track ballast along the railway line to make the tracks more stable.
