In regions of great humidity, earth roads may be expected to have a low average of serviceability, while in arid regions they may possess sufficient durability for a considerable volume of traffic.
In order to prevent the washing out of earth roads on hills it sometimes becomes necessary to construct water breaks; that is, broad shallow ditches arranged so as to catch the surface water and carry it each way into the side ditches.
Water is the great road destroyer," and too much attention cannot be given to the surface and subdrainage of earth roads.
Of earth roads, as commonly built, it suffices to say that their present conditions should not be tolerated in communities where there are any other materials with which to improve them.
This slope ought to be greatest on earth roads, perhaps as much in some cases as one foot in twenty feet after the surface has been thoroughly rolled or compacted by traffic.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "earth roads" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.