roadbed

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road·bed

(rōd′bĕd′)

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.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

roadbed

(ˈrəʊdˌbɛd)

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

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

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

road•bed

(ˈroʊdˌbɛd)

n.

a. the bed or foundation for the track of a railroad.

b. the layer of ballast immediately beneath the ties of a railroad track.

2. the material of which a road is composed.

[1830–40]

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Noun

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

полотно

roadbed

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

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

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References in classic literature ?

The bridge seemed longer than it had ever seemed before, and he was glad when he felt the beat of the wheels on the solid roadbed again.

View in context

The new road will reduce traffic jams in Osh city and also prevent the destruction of the roadbed by large vehicles, Osh government said.

Bypass road for 1.7 bn soms to be built in Osh

Scope of works comprises of a fresh construction of approximately 62kilometres of road between the villages of Mabeleapudi and Serule, including around six kilometres of access roads to Tshimoyapula and Serule villages.He stated that five burrow pit mining rights were issued at the end of February, adding that currently the contractor was sub-grading road layer for section one and they were working on the roadbed for section two as well as constructing the bridge.

Mabeleapudi, Tshimoyapula and Serule project on-going

'At present 83 percent of total work has been completed, out of which 392 kilometer roadbed and culvert passage, and other structures have already been completed,' the official told APP here on Thursday.

CPEC funded Multan-Sukkur motorway to be completed by August

"The main damage to the road is that culverts are filled with ash and debris, as well as damage to the roadbed from heavy equipment operating across it during the fire," she wrote in an email.

Hazards keep highway closed

During the construction process, the CA mortar of CRTS-I slab track is poured into the bag between track slab and concrete roadbed [6], which leads to the poor connections between CA mortar and track slab and between CA mortar and concrete roadbed.

Contact Loss beneath Track Slab Caused by Deteriorated Cement Emulsified Asphalt Mortar: Dynamic Characteristics of Vehicle-Slab Track System and Prototype Experiment

The work will entail building a French drain to allow groundwater to migrate through the subsurface without damaging the roadbed. To help stabilize the slope and protect the highway from future slides, workers will deploy 45,000 tons of rock and 12 inches of gravel topped by 8 inches of asphalt.

Work begins to fix Pig Trail after slide

In Japan, in 2000, 95 per cent of waste concrete was reused as roadbed and backfilling material.

Making a mountain out of a landfill

Kozak, is working with state officials to determine what, if any, of the old roadbed is actually state property.

Officials eye parcel as revenue source

roadbed and structures, devices, power, automation, remote control and communication, the official website of the SCR says.

South Caucasus Railway sums up results of spring inspection of infrastructure

Transitions to bridges should be smooth, and the roadbed should be compacted to provide stability (Federal Highway Administration, 2012b).