Show COST OF VARIOUS HIGHWAYS macadam lla cadam road Is most expensive but when built Is satisfactory and permanent dirt roads are ordinarily surfaced with sand mixed with clay or nith ith gravel sr avel or brick or crushed stone concrete or other like material the gravel road will cost from 1500 to a mile the difference in cost depending upon the accessibility of gravel the macadamized road costs from 2000 to per mile it la Is the most expensive pensive Tx but when well built Is both satisfactory and permanent |