From Longman Dictionary of Contemporary Englishunpavedun‧paved /ˌʌnˈpeɪvd◂/ adjective an unpaved road does not have a smooth hard surface
Examples from the Corpus
unpaved• It was late, and the country roads were not only unpaved but dark.• Shortly afterwards Cinzia turned off along an unpaved minor road.• And the cities of the Third World often have unpaved roads.• It took firefighters a half- hour to find their way in the darkness to the Aburtos' unmarked, unpaved street.• At this time of year the unpaved streets were practically quagmires.• It was a very poor neighborhood, old houses, unpaved streets.• He followed Creed's directions, leaving the road for an unpaved track that seemed to lead towards the ocean. 