roadbed

road·bed  (rdbd)

n.

1.

a. The foundation upon which the ties, rails, and ballast of a railroad are laid.

b. A layer of ballast directly under the ties.

2. The foundation and surface of a road.

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roadbed [ˈrəʊdˌbɛd]

n

1. (Engineering / Civil Engineering) the material used to make a road

2. (Engineering / Civil Engineering) a layer of ballast that supports the sleepers of a railway track

Thesaurus

Noun

1.

roadbed - a bed supporting a road bed - a foundation of earth or rock supporting a road or railroad track; "the track bed had washed away" road, route - an open way (generally public) for travel or transportation safety island, safety isle, safety zone, traffic island - a curbed area in a roadway from which traffic is excluded; provides safe area for pedestrians

Translations

roadbed [ˈrəʊdbed] N (US) [of road] → firme m; [of railroad] → capa f de balasto