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2.04.04-1 <br /> private Road Minimum Design Standards <br /> r <br /> Private Rural Road Private Road <br /> Average Lot Size c= 10.0 acres Avg.Lot Size <br /> >10 acres <br /> Number of 3-147� <br /> 15-30 31+ 2+ <br /> Parcels or Units 50 50 <br /> Minimum 50 50 <br /> Easement <br /> Width <br /> Paved Apron Req'd Req'd Req'd Re4�d <br /> 22' 22' 20' <br /> Roadway Width 20' 2. 1' <br /> Shoulder Width 1' 1' <br /> 60 <br /> Minimum <br /> 60 60 60 <br /> Centerline <br /> Radius(ft) <br /> Surfacing ) FGravel <br /> Gravel BST/ACP 65T/ACp <br /> Requirements <br /> I Minimum 4V 46° <br /> Crushed <br /> Surfacing 10 10 ::: <br /> Maximum 10 <br /> Grade(S'o) d 'd <br /> Re <br /> Req'd Req'd q� <br /> Sae umaroul'tS) <br /> Required Req'd Req'd Req'd <br /> Approach Req'd q <br /> Permit WSDOT& WSDOT& <br /> & <br /> Stopping Sight WSDOT WSDOT& <br /> AASHTO AASHTO AASHTO AASHTO <br /> Distance 2:1 2:1 <br /> Ditch Slope 21 2:1 <br /> (inside slope) <br />