1
a
: the bed on which the ties, rails, and ballast of a railroad rest
b
: the ballast or the upper surface of the ballast on which the ties rest
2
a
: the earth foundation of a road prepared for surfacing
b
: the part of the surface of a road traveled by vehicles
Examples of roadbed in a Sentence
Recent Examples on the Web
But in 1909, the city began to widen the roadbed at the expense of the sidewalks.
—
Sam Schwartz, New York Daily News, 22 July 2025
At a Liberty facility in Concord, a suburb of Charlotte in North Carolina, NASCAR racing tires are shredded into quarter-sized chips that can be used as aggregate in roadbeds, landfill liners and landscaping products.
—Adriana Pérez, Chicago Tribune, 10 July 2025
The mined and blasted rock will be sold for roadbed construction and would leave a hole in the ground large enough to store nearly 40 billion gallons of Lake Okeechobee overflow.
—Sun Sentinel Editorial Board, Sun Sentinel, 21 May 2025
The ship struck the bottom side of the roadbed portion of the Brooklyn Bridge, officials with the New York Police Department (NYPD) told Fox News.
Flags and debris from the ship plummeted into the water below, as the vessel rocked back and forth, pushing its way under the landmark.
—Alexandra Koch , Alexis McAdams , Cb Cotton , Landon Mion, FOXNews.com, 18 May 2025
See All Example Sentences for roadbed
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Sam Schwartz, New York Daily News, 22 July 2025
At a Liberty facility in Concord, a suburb of Charlotte in North Carolina, NASCAR racing tires are shredded into quarter-sized chips that can be used as aggregate in roadbeds, landfill liners and landscaping products.
—Adriana Pérez, Chicago Tribune, 10 July 2025
The mined and blasted rock will be sold for roadbed construction and would leave a hole in the ground large enough to store nearly 40 billion gallons of Lake Okeechobee overflow.
—Sun Sentinel Editorial Board, Sun Sentinel, 21 May 2025
The ship struck the bottom side of the roadbed portion of the Brooklyn Bridge, officials with the New York Police Department (NYPD) told Fox News.
Flags and debris from the ship plummeted into the water below, as the vessel rocked back and forth, pushing its way under the landmark.
—Alexandra Koch , Alexis McAdams , Cb Cotton , Landon Mion, FOXNews.com, 18 May 2025
See All Example Sentences for roadbed
Cite this Entry
“Roadbed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/roadbed. Accessed 30 Jul. 2025.
Copy CitationKids Definition
roadbed
noun
road·bed
-ˌbed 
1
: the foundation of a road or railroad
2
: the part of the surface of a road that vehicles travel on
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