OCR Text |
Show SURFACE OF IMPROVED ROAD Oval Should Be as Flat as Character of Material Employed and Lay of Land Will Permit. "Everybody agree thnt the surface of a rood must t oval In Its enntour." nay Farm and Klrcstde, "lint not all , und'rntand (tint this oval ought to be a flat as tin eharaeti-r of the road material and the lay of the land will permit. With brlek or eonn-eti' eon-Rtruetlon eon-Rtruetlon the oval may be very flat, be-eSAkW be-eSAkW the truffle makes no ruts to ear-ry ear-ry the water lengthwise of the road, nor does the pavement soften and develop de-velop depressions when kept In contact con-tact with wnter. But broken stone (water-bound macadam), being mis-eeptlble mis-eeptlble to penetration by water, and subject to treat damage If frosen while soaked, must be given a higher oval ; and for gravel roads a still teeper pitch Is demanded. "As for earth roads, the steepness must be governed by the eomblned Influence of a number of factors. I'er-, I'er-, haps the leading faetor Is the quality ! of the earth In eaeh particular ease. And next might be placed the pres-enee pres-enee or absenee of 'sepps' or 'spouts;' while another of these vital factors would he the longitudinal pitch of the' highway." |