| Show GOOD ROAD SURFACE OF IM PROVED IMPROVED ROAD oval should be as flat as character of material employed and lay j of land will permit everybody agrees that the surface of a road must be oval in it its s contour says farm and fireside hut but not all understand that this oval ought to be as flat as the character of the road material and the lay jay of the land will permit with brick or concrete construction st the oval maybe may be very flat ba b I 1 cause the traffic makes no ruts to car ry the water lengthwise of the road nor does the pavement soften and develop depressions when w hen kept in contact with water but broken stone water bound macadam being susceptible cep tible to penetration by water and subject to great damage if frozen while soaked must be given a higher oval and for gravel roads a still steeper pitch Is demanded As for earth roads the steepness must be governed by the combined influence of a number of factors perhaps the leading factor Is the quality of the file earth in each particular case and next might be placed the pres ence or absence of seeps or spouts while another of these vital factora factor would be the longitudinal pitch of the highway |
