roadmaker means someone who or something that builds roads.
Etymology
From road + maker.
noun
- Someone who or something that builds roads.“The really acute roadmaker will be as shy of having clay in the interstices of his stone work as the vigilant mason is of having clay in a brick or stone wall.”
- An innovator; a trailblazer; a pioneer.“In what way and to what extent may Gresham be looked upon as a roadmaker?”