Roads
Category 1. Exterior off-site roads serving Residential Subdivisions where the density is less than one (1) dwelling unit per ten (10) acres: Any abutting gravel road shall have at least a 24-foot wide driving surface. Any subdivision that includes five (5) or more lots shall provide access to all proposed lots with an internal subdivision road constructed to County design criteria and no lot shall have direct access onto a local, collector or arterial road as designated by the Miami County Comprehensive Transportation Plan, except that the agriculturally preserved parcel in an Agricultural Preservation Subdivision may be allowed to access a local or collector road. Those lots, regardless of their area, that are allowed to directly access a collector or arterial road, as designated by the Miami County Comprehensive Transportation Plan, shall provide a common access easement between each set of two lots to minimize access to such roads. Lots less than 20 acres in gross land area that are allowed to directly access a local road, as designated by the Miami County Comprehensive Transportation Plan, shall provide a common access easement between each set of two lots to minimize access to such roads. Lots 20 acres or greater in gross land area that are allowed to directly access a local road, as designated by the Miami County Comprehensive Transportation Plan, are encouraged to but shall not be required to provide a common access easement between each set of two lots.
Category 2. Exterior off-site roads serving Residential Subdivisions where the density is between and includes one (1) dwelling unit per three (3) acres and one (1) dwelling unit per ten (10) acres: Any road that provides direct access to local roads in the subdivision or individual lots in the subdivision shall have at least a chip-and-seal surface and such surface shall be continuous to a collector or arterial road that has at least a chip-and-seal surface. Any abutting gravel road that does not provide direct access to the subdivision or individual lots in the subdivision shall have at least a 24-foot wide driving surface. Any subdivision that includes five (5) or more lots shall provide access to all proposed lots with an internal subdivision road constructed to County design criteria and no lot shall have direct access onto a local, collector or arterial road as designated by the Miami County Comprehensive Transportation Plan. Those lots, regardless of their area, that are allowed to directly access a collector or arterial road, as designated by the Miami County Comprehensive Transportation Plan, shall provide a common access easement between each set of two lots to minimize access to such roads. Lots less than 20 acres in gross land area that are allowed to directly access a local road, as designated by the Miami County Comprehensive Transportation Plan, shall provide a common access easement between each set of two lots to minimize access to such roads. Lots 20 acres or greater in gross land area that are allowed to directly access a local road, as designated by the Miami County Comprehensive Transportation Plan, are encouraged to but shall not be required to provide a common access easement between each set of two lots.
Category 3. Exterior off-site roads serving Residential Subdivisions where the density is between one (1) dwelling unit per one (1) acre and one dwelling unit per three (3) acres: Any road that provides direct access to local roads in the subdivision or individual lots in the subdivision shall have at least an asphalt overlay surface and such surface shall be continuous to a highway or an arterial or collector road that has at least an asphalt overlay surface. Any abutting gravel road that does not provide direct access to the subdivision or individual lots in the subdivision shall have at least a 24-foot wide driving surface. Any subdivision that includes five (5) or more lots shall provide access to all proposed lots with an internal subdivision road constructed to County design criteria and no lot shall have direct access onto a local, collector or arterial road as designated by the Miami County Comprehensive Transportation Plan. Those lots, regardless of their area, that are allowed to directly access a collector or arterial road, as designated by the Miami County Comprehensive Transportation Plan, shall provide a common access easement between each set of two lots to minimize access to such roads. Lots less than 20 acres in gross land area that are allowed to directly access a local road, as designated by the Miami County Comprehensive Transportation Plan, shall provide a common access easement between each set of two lots to minimize access to such roads. Lots 20 acres or greater in gross land area that are allowed to directly access a local road, as designated by the Miami County Comprehensive Transportation Plan, are encouraged to but shall not be required to provide a common access easement between each set of two lots.
Category 4. Exterior off-site roads serving Residential Subdivisions where the density includes and is greater than one (1) dwelling unit per one (1) acre: Any road that provides direct access to local roads in the subdivision shall have at least an asphalt overlay surface and such surface shall be continuous to a highway or an arterial road that has at least an asphalt overlay surface. All roads abutting the subdivision shall have at least an asphalt overlay surface continuous to a local, collector or arterial road that has at least an asphalt overlay surface. Abutting roads onto which local roads in the development connect shall be improved to at least the Type "B" Collector Road Standard adjacent to the development. Lots shall not have access directly onto a local, collector or arterial road as designated by the Miami County Comprehensive Transportation Plan.
Category 5. Exterior off-site roads serving Commercial or Industrial Zoned Sites: All section line and ½-section line roads abutting the development shall be paved to at least the Type "B" Collector Road Standard, and at least one (1) paved road of this type shall provide continuous access to the development and shall be continuous to the nearest arterial or other collector road that has at least an asphalt overlay surface. Any subdivision that includes five (5) or more lots shall provide access to all proposed lots with an internal subdivision road constructed to County design criteria and no lot shall have direct access onto a local, collector or arterial road as designated by the Miami County Comprehensive Transportation Plan. Those lots that are allowed to directly access a local, collector or arterial road, as designated by the Miami County Comprehensive Transportation Plan, shall provide a common access easement between each set of two lots to minimize access to such roads.
Category 6. All Interior, On-Site Roads: All roads in any subdivision or development shall be designed and constructed to comply with the existing applicable County design criteria, construction standards, policies and regulations for new streets. Such roads shall be paved to at least the Type "B" Local Road Standard.