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s <br /> Backslope blended with <br /> insloped tread. Natural or Placed Barrier. <br /> r <br /> l �r <br /> 3 � r•a6 3 Grade Reversals <br /> Insloped tread •� <br /> through turn. <br /> q. <br /> Retaining Wall <br /> Large drain allows trapped water to escape. <br /> 0,�5& <br /> Grade Reversals <br /> �b <br /> Ur <br /> Large drain allows trapped <br /> water to escape. <br /> Insloped tread i!r. <br /> through turn. <br /> Sideslope grade of <br /> 25°x6 or less is best. <br /> Source: Trail Solutions:MBA'Guide to Building Sweet Single Track,2004 <br /> E. Rolling Crown Switchback <br /> Profile and Oblique views of a Rolling Crown Switchback <br />