A Treatise on Roads and Pavements

amount asphalt pavements asphaltic cement average binder binder course binding material bitumen brick pavement broken stone broken-stone road cents per cubic cents per square cities clay coal-tar concrete considerable construction cost crown crushed cubic yard curb curve drainage durable dust earth roads edge embankment employed Engineering expense feet filled foot foundation granite gravel gravel road gutter hard haul horses inches inches thick joints labor laid layer less limestone load loam macadam machine maintenance Massachusetts Highway Commission ment method mile mixed morocco mortar paving brick plank Portland cement prevent rattler repairs road surface rock roller rolling ruts sand sandstone scraper scraping grader shown in Fig side ditches sidewalk slope smooth soil sprinkling square yard steam roller straight edge street subgrade Table tamped telford tile tion track traffic trench usually varies wagon walk wearing coat weight wheels width wood