Southern good roads . PAGE. Director of Office of Public Roads, United States Department of Agriculture The term inacjKhim. whu-li is at present applied t:iall types of hrolceii stone roads that have no pavedfoundations, is more or less of a misnomer. The ma-cadam road of today is so different in methods of con-strnetion those nsed hy ]\IrAdani that his speeifi-rations are hardly reeognizahle. The ttse of stone on roads is of itnknown orig--iu. and proliahly antedates histor\. The first writtenspecifications foi a lirolvcn stone i-oad that 1 iiave heenaide to find are ontained in
Southern good roads . PAGE. Director of Office of Public Roads, United States Department of Agriculture The term inacjKhim. whu-li is at present applied t:iall types of hrolceii stone roads that have no pavedfoundations, is more or less of a misnomer. The ma-cadam road of today is so different in methods of con-strnetion those nsed hy ]\IrAdani that his speeifi-rations are hardly reeognizahle. The ttse of stone on roads is of itnknown orig--iu. and proliahly antedates histor\. The first writtenspecifications foi a lirolvcn stone i-oad that 1 iiave heenaide to find are ontained in a report hy a French engi-neer named Tresauget, in which preceded .ile-Adams and Telfords work hy nearly forty years. Notonly did Tresauget give a num!)er of specifications andcross-sections of different types of roads, but in thesame report lie outlined for the first time a plan for acontinuous system :if maintenance of liroken stone roadwhich is followed to a great extent liy the FriMicli gov-ernment Montgomery Road. Savannah Auto Course The principles in\(jlved in llir piopcr cnnstiuction ofa modern brok-en stone road are. first that there shalll)e a suitable thickness of stone to give a rigid f )un-datiou, and. a1 1I11 same time, that the sub-grade shallbe so shapetl and drained that no water can accumulateat the base of the road. The wearing surface construct-ed of smaller stones than those used for the is usuall\- cemented togethi-r by the screenings ofthe rock used in constructi in. or. when this is not suf-ficiently cementatinus, earth or chiy is frequently type of road, when jiropcrly built of suitablerock, and maintained, has -withstodd the wearing actionof horse traffic in a most satisfactory mannir. Whenthe rock of which suih a road is c mstructeil is suitedto the vohniic and cliaractcr of traffic to which it issulijected. .just <nough fine dust is worn off b\- horsetraffic to sujiply that removed by wind and i-ain. and,by
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Keywords: ., bookauthorvarnerhe, bookcentury1900, bookdecade1910, bookyear1910
