roadbed

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roadbed

[′rōd‚bed]
(civil engineering)
The earth foundation of a highway or a railroad.
References in periodicals archive ?
While many model railroaders rely on muscle to shape the roadbed, apply ballast and maintain their rights of way, a pair of little-locomotive enthusiasts from Kalamazoo, Mich.
The point of geosynthetics is to control the earth, that is, prevent erosion, stabilize buildings, stabilize roadbeds, and enhance agriculture, while reducing fertilizers, unwanted water, herbicides, and even insecticides.
When it comes to setting up and working a turkey, trails and roadbeds are usually the worst places to be, as they tend to attract many hunters and gobblers learn to associate these features with danger.
Good roadbeds of course lower maintenance costs on trackless mobile equipment and can increase tramming speeds by 20-30%.
We'll use this method for getting under driveways as well as roadbeds in certain conditions.
Award:Reconditioning approximately 2 miles of roadbeds, add geotextile, install culverts, and install aggregate traveling surface on the Lewis Lake Recreation Area Road.
System provides cost-effective method for building roadbeds
In the past, the ministry has removed winter weights in some areas of Saskatchewan if temperatures rise and roadbeds become soft.