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r 4 . <br /> i s;l1 4.10. Aggropato surfaced road dosi8n cattsiog: to be so thickness(in inch as)for <br /> tho six U.S. climatic ragions, five; relative gUaliticz, c I ioolfbdd Loil and throe levels of traffic. <br /> Polctivo 011clity Traffic <br /> of Noadbui Suit Love) I I! I11 IV V VI <br /> High 8" 10 1+y 7 9 15 <br /> `,'cry Good Medium 6 E) i 1 5 7 11 <br /> Low 4 4 4 4 6 <br /> High 11 12 17 10 11 . 17 <br /> GUod Modium 11 9 12 7 9 12 <br /> Low 4 5 ? 4 5 7 <br /> High 13 14 17 12 13 17 <br /> F ,ir Medium 11 11 1- 10 10 12 <br /> Low 6 6 7 5 5 7 <br /> High MR PR R� •r a• •r <br /> Poor Modium <br /> •a Pr wM 16 75 •• <br /> Low 9 10 9 8 S 9 <br /> High •" ar y a• a. r• <br /> Vcry Poor Medium •r sr pP •• ra •• <br /> Low 11 11 1iU 13 8 9 <br /> • Thicknossos of aflpregato base required (in Incho s), a <br /> a <br /> r*Mi hcyr type pavement design recommended. <br /> w <br /> r <br /> A <br /> Pi <br /> ti <br /> t <br /> 0 <br /> y <br />