Dirt road

Cattle on a dirt road in Paraguay.

A dirt road or track is a type of unpaved road not paved with asphalt, concrete, brick, or stone;[1] made from the native material of the land surface through which it passes, known to highway engineers as subgrade material.[citation needed]

  1. ^ Sultana, Selima; Weber, Joe (2016-04-18). Minicars, Maglevs, and Mopeds: Modern Modes of Transportation Around the World: Modern Modes of Transportation around the World. ABC-CLIO. ISBN 978-1-4408-3495-0.

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