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Consistent with the existing trail, all of <br />the proposed segments of the regional <br />trail will he less than a 5 percent <br />gradient and will be fully accessible, <br />Section 3 - Regional Trail Master Plan <br />TYPICAL TRAIL CROSS-SECTION <br />3 -foot shoulder 3 -foot shoulder <br />I_ I -i. 10 -foot wide trail i I i <br />3 inches of bitumihous <br />Postlive wearing course <br />drainage 6 inches ofcompacted <br />aggregate base Positive <br />2% slope _ I drainage <br />12 inches ofscaried and Undisturbed subgrade <br />recompacted subgrade * <br />* Old rail bed -related issue - the extent to which subgrade will need to be <br />scarfed and recompacted will be determined at time ofconstruction and <br />based on detailed evaluation ofsubsotl conditions. <br />('RAIL GRADIENT'S AND AIL (ESSIIIILI 1 <br />The entire trail grade will be at less than 5 percent and meet or exceed <br />all accessibility requirements. <br />AT-GRADe CROSSING TYPES 01) DESIGN GVIDELINF.S <br />Improvements to at -grade crossings will continue along the trail, most <br />often occurring as roadway upgrades are made to intersecting local, <br />county, and state roads. The types of treatments will vary depending on <br />the type of road that is being crossed, as the photos illustrate. <br />r <br />moo <br />With low volume local roads, at -grade crossing <br />treatments will be minimal, such as this yield <br />sign, to promote user compliance. <br />may include enhanced features and markings, <br />including stop signs, push-button activated <br />signals, and accessible curb -tiers. <br />All future improvements to at -grade crossing treatments will be <br />consistent with Washington County Public Works and Mn/DOT <br />standards as trail improvements or upgrades to intersecting local, <br />county, and state roads are made. (Since these treatments are inherently <br />site-specific, no specific guidelines for individual crossings are <br />provided in the master plan.) <br />