Wiktionary
n. One who builds roads.
Usage examples of "roadbuilder".
The Roadbuilders, whoever or whatever they were, must have realized the consequences of a hyper-spatial highway that spans enormous distances instantaneously.
Someone claims to've sighted a Roadbuilder vehicle, you hear someone's stumbled onto a backtime route and winds up being his own grandfather, that sort of thing.
The Roadbugs were either machines created by the Roadbuilders themselves, or they were vehicles whose unseen drivers wanted to keep the roads clear for their own purposes.
Something had altered the geology of this planet since the Roadbuilders had laid their highway here.
The Roadbuilders will return someday and make the road free again, abolish all oppressive governments, open up the entire Skyway to every race.
If you believe the stories, the Roadbuilders have handed out hundreds of maps to humans and nonhumans alike, but no authentic artifacts have ever materialized.
The land was flat, magnificently flat, the kind of terrain the Roadbuilders had favored.
The three other roadbuilders that had begun the trip were now abandoned behind them.
And, in fact, the roadbuilders talked much of how quickly the Olinka will now be able to get to the coast.