ballastbed

listen to the pronunciation of ballastbed
الهولندية - التركية
demiryolu hattı
الهولندية - الإنجليزية
roadbed
The prepared location for a road, including its foundation
a bed supporting a road
The entire width of surface on which a vehicle may stand or move The roadbed consists of both the traveled way and the shoulders
{i} base and pavement of a road; foundation and material on which a railroad track is built
In railroads, the bed or foundation on which the superstructure ties, rails, etc
rests; in common roads, the whole material laid in place and ready for travel
on real railroads, the foundation layer of earth on which the track is built On a model railroad, it's a strip of wood, cork, foam, or other material that simulates the roadbed and ballast of a real railroad