roadbeds Definition

revetments, subgrade, riprap, subbase, roadways, gabions, streambed, gravel, snowshed, blacktops, crossties, roads, caissons, tarmacadam, centerlines, pilings, embankments, scoria, spatterdock, coquina, waterlines, piers, hardpan, frost heave, muskeg, asphalt, caliche, riverbeds, sandbars, abutments, boulders, drainage, forebay, gabion, soils, macadam, frost heaving, rills, crossbeams, berming, raceways, ponds, rutty, culvert, swales, reservior, topsoil, trestles, bottomland, freestone, glacial boulder, whitetop, moldboard, sluiceway, ruts, laths, spalling, cultch, bituminous, sphagnum, trestle bridge, infields, diking, sinkage, silt, bulkheads, culm, gunite, highways, driveways, riverbanks, deadfall, sediment, hyalite, rockeries, footings, headrace, outwash, falsework, trench, posthole, earthwork, millrace, oxbow, arroyos, watercourses, arundo, chuckholes, sphagnum moss, retaining wall, fords, batture, rockwork, ditches, viaducts, soakaway, understructure, hillsides, sumps, metalling,