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8820.9986 LOCAL STATE-AID ROUTE STANDARDS,FINANCING 46 <br /> 8820.9986 MINIMUM DESIGN STANDARDS: NATURAL RESERVATION <br /> ROUTES,DESIGNATED NATIONAL FOREST HIGHWAYS WITHIN <br /> NATIONAL FORESTS,AND STATE PARK ACCESS ROADS WITHIN <br /> STATE PARKS; RECONDITIONING PROJECTS. <br /> Reconditioning projects for natural preservation routes, designated national forest <br /> highways within national forests,and state park access roads within state parks must meet <br /> or exceed the minimum dimensions indicated in the following design chart. <br /> TYPE I, II, OR III ROUTE <br /> Proposed Design Strength Pavement Width Shoulder-to-Shoulder Width <br /> (tons) (feet) (feet) <br /> 7 22 (a) 26 (a) <br /> (a)Natural preservation routes may be reconditioned to existing pavement and shoul- <br /> der widths. <br /> Widths of bridges to remain in place must equal pavement width. A bridge narrower <br /> than these widths may remain in place if the bridge does not qualify for federal-aid bridge <br /> funds. H 15 loading is required. <br /> Statutory Authority: MS s 162.02; 162.09 <br /> History: 20 SR 1041; 23 SR 1455; 24 SR 1885; 29 SR 449 <br /> 8820.9990 ROUTE MARKER. <br /> NATURAL <br /> PRESERVATION <br /> OUTE <br /> 2 ft by 2 ft <br /> Green legend;white reflectorized background <br /> Statutory Authority: MS s 162.02; 162.021; 162.09 <br /> History: 18 SR 32; 20 SR 1041; 23 SR 1455; 24 SR 1885 <br />