roadbed
Americannoun
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Railroads.
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the bed or foundation structure for the track of a railroad.
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the layer of ballast immediately beneath the ties of a railroad track.
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the material of which a road is composed.
noun
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the material used to make a road
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a layer of ballast that supports the sleepers of a railway track
Etymology
Origin of roadbed
Vocabulary lists containing roadbed
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
With crews still working to clear debris from under the freeway, the wooden structure that will support the roadbed around the damaged columns is already being constructed.
From Los Angeles Times ● Nov. 16, 2023
The big agency will excavate a wider roadbed to support its Stride S3 line from Woodinville to Bothell, Kenmore and Lake Forest Park, connecting to light-rail next to I-5, at the Shoreline South/148th Station.
From Seattle Times ● May 15, 2023
She believes raising the roadbed and installing a small wildlife underpass beneath it would significantly reduce the number of newts that die on Chileno Valley Road.
From New York Times ● Jan. 24, 2023
Warming temperatures are accelerating the glacier’s movement downhill, carrying 300 feet of roadbed with it and jeopardizing continued access to some of the park’s key attractions.
From Washington Post ● Oct. 15, 2021
He stepped high over the steel rails and went down the cinder-bank roadbed toward the river.
From "Ceremony:" by Leslie Marmon Silko
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
