Southern good roads . e\el road. If full loane authority states fiom his own observatijn amJfiom tests made by thi 1. S. Agricultural Department,that a team can exert Iour linns as iiuieh tractive en-<ngy going op a short hill as its a\erage ])ull upon thelevel. As tin. loail that can he liauled continuously ujia per cent, grade has been found to be one fourthof that ilra\\ii up ui the level, this shows that the fullload lie carried over a ten ]ier cent, gi-ade fora shoit distance—r,;\y 200 feet. .Alost Ioad builders prefer S per cent, .uratle to thoseof 4 per cent, where I hey c
Southern good roads . e\el road. If full loane authority states fiom his own observatijn amJfiom tests made by thi 1. S. Agricultural Department,that a team can exert Iour linns as iiuieh tractive en-<ngy going op a short hill as its a\erage ])ull upon thelevel. As tin. loail that can he liauled continuously ujia per cent, grade has been found to be one fourthof that ilra\\ii up ui the level, this shows that the fullload lie carried over a ten ]ier cent, gi-ade fora shoit distance—r,;\y 200 feet. .Alost Ioad builders prefer S per cent, .uratle to thoseof 4 per cent, where I hey can be secured without ad-ditional expense. A o jier cent, .grade is downwhich a Imrse with vehicle can erimfortably trot. ()n all ])ulilic highways which are travelled Ijy heav-ily loadid vehicles, the aim should be to keep thegrade down to 3 or 4 per cent, and not to exceed 5 percent. In mountainous Icgions steeper grades are often. chert Object Lesson Road, Fort Smith, Arkansas 14 SOUTHERN GOOD ROADS September, 1911 unavoidalilo, and even in hilly country it isgood engineering- not to reduce grades where muchearth work is necessary, as it is genei-ally a few shortdeep cuts that add so greatly to the cost of a roadIn most parts of the state the roads are in the mainalready located and the problem of location consistsfor the most part in the relocation of portions of oldroads, so as to reduce the grades and render the roadsmore convenient and pleasant fiu the use of travel.
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Keywords: ., bookauthorvarnerhe, bookcentury1900, bookdecade1910, bookyear1910
