Unpaved surfaces

Usage examples of roadbeds.

And due to the ever-changing conditions of highways -- bridges out, overpasses collapsing, sinkholes in the roadbeds -- maps were constantly having to be updated.

They analyzed the marks that resembled roadbeds, and found they were geological.

He looked down at the broken white stubs of buildings, at delicate airy bridges that had collapsed into mounds of rubble, at roadbeds of gleaming stone shot through with livid greens and blues extending to the horizon.

The glacier also brought massive boulders that it laid down in complex, swirling patterns that later residents would often use as roadbeds and quarry for building stone.

Instead of a thing of wonder and awe, it becomes the stuff of roadbeds and signposts, used with a profligacy that astounds those who have it not.