An embankment is a raised wall, bank, or mound that is made of earth or stone and used to hold back water or carry a roadway. A road, railway track, or aqueduct is normally raised onto an embankment made of compacted soil (typically clay or rock-based) to avoid a change in level required by the terrain, the alternatives being either to have an unacceptable change in level or detour to follow a contour.
An embankment is a raised wall, bank, or mound that is made of earth or stone and used to hold back water or carry a roadway. A road, railway track, or aqueduct is normally raised onto an embankment made of compacted soil (typically clay or rock-based) to avoid a change in level required by the terrain, the alternatives being either to have an unacceptable change in level or detour to follow a contour.
Source: Wikipedia "Embankment (earthworks)" · CC BY-SA 4.0
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