(a) Purpose. The planning for a thoroughfare system is essential for the continued efficient movement of people and goods, and the Master Plan shall serve as a guide for the location and scale of future collector and arterial streets. The precise alignment of thoroughfares included in the Plan may be varied to allow adjustments that increase the compatibility of the right-of-way with natural or man-made features such as steep slopes, waterways, wildlife habitats, neighborhoods, historic structures or existing roadways.
(b) Policy.
(1) Street layout. Adequate streets shall be provided by the subdivider and the arrangement, character, extent, width, grade, and location of each shall conform to the comprehensive plan of the City and professional urban planning and shall be considered in their relation to existing and planned streets, to topographical conditions, to public safety and convenience, and in their appropriate relationship to the proposed uses of land to be served by such streets. The street layout shall be devised for the most advantageous development of the entire neighborhood.
(2) Relation to adjoining street system. Where necessary to the neighborhood pattern, existing streets in adjoining areas shall be continued, and shall be at least as wide as such existing streets and in alignment therewith.
(3) Projection of streets. Where adjoining areas are not subdivided the arrangements of streets in the subdivision shall make provision for the proper projection of streets into such unsubdivided areas.
(4) Street jogs. Whenever possible, street jogs with centerline offsets of less than 125 feet shall be avoided.
(5) Street intersection. Street intersections shall be as nearly at right angles as practicable, giving due regard to terrain and topography.
(6) Dead-end Streets. Dead-end streets shall be prohibited except as short stubs to permit future expansion.
(7) Cul-de-sacs. In general, cul-de-sacs shall not exceed 600 feet in length, and shall have a turnaround of not less than 100 feet in diameter in residential areas, and not less than 100 feet in diameter in commercial and industrial areas.
(8) Marginal access streets. Where a subdivision has frontage on an arterial street, there shall be provided a marginal access street on both sides or on the subdivision side of the arterial street, if the arterial street borders the subdivision, unless the adjacent lots back up to the arterial street, or unless the Commission determines that such marginal access streets are not desirable under the facts of a particular case for adequate protection of the lots and separation of through and local traffic.
(9) Streets on comprehensive plan. Where a subdivision embraces a street as shown on a comprehensive plan of the City, such street shall be platted in the location and of the width indicated by the comprehensive plan.
(10) Minor Street. Minor streets shall be laid out so as to discourage their use by through traffic.
(11) Pavement widths and rights-of-way. Pavement widths, which shall be curb back to curb back, and rights-of-way shall be as follows:
(i) Major Arterial streets shall have right-of-way widths and pavement widths in accordance with the following table and standard details:
Street | Type | Lanes | Abbreviation | ROW Width | Pavement Width |
Major Arterial | Undivided | 4 | MAU 4 | 86 feet | 62 feet |
Major Arterial | Undivided | 5 | MAU 5 | 100 feet | 74 feet |
Major Arterial | Divided | 4 | MAU 4 | 114 feet | 66 feet |
Major Arterial | Divided | 6 | MAU 6 | 140 feet | 90 feet |
(ii) Minor Arterial, 3 Lanes (MNR 3) streets hall have a right-of-way width of at least 74 feet, with a pavement width of at least 50 feet.
(iii) Primary Collector streets shall have a right-of-way of at least 64 feet and a pavement width of at least 45 feet.
(iv) Minor streets shall have a right-of-way of at least 50 feet with a pavement width of at least 31 feet.
2023 S-13
(v) Nonresidential marginal access streets shall have a right-of-way width of at least 60 feet and a pavement width of at least 36 feet.
(vi) Residential marginal access streets shall have a right-of-way width of at least 50 feet and a pavement width of at least 31 feet.
(12) Pavement and rights-of-way width for adjacent streets:
(i) The subdivider shall dedicate a right-of-way of 86 feet in width for new adjacent arterial streets, and 58 feet of such right-of-way shall be paved.
(ii) New adjacent collector, minor or marginal access streets shall conform to Paragraph (b)(11) of this Section.
(iii) Where the proposed subdivision abuts upon an existing street or half-street that does not conform to Subsection (b)(11) of this Section, the subdivider shall dedicate right-of-way sufficient to make the full right-of-way width conform to Subsection (b)(11), and there shall be paved so much of such right-of-way as to make the full pavement width comply with Subsection (b)(11). Before any pavement is laid to widen existing pavement, the existing pavement shall be cut back two feet to assure an adequate sub-base and pavement joint.
(13) Curbs. Curbs shall be installed by the subdivider on both sides of all interior streets, and on the subdivision side of all streets forming part of the boundary of the subdivision.
(c) Street Lighting. Street lighting shall be installed by the developer for all new streets within the jurisdiction of the City and shall be designed and constructed in accordance with City standard details and specifications, if any.
(d) Street Signage. Street signs shall be installed by the developer at all intersections within and immediately adjacent to a proposed development and shall be designed and constructed in accordance with City standard details and specifications, if any.
(e) Sidewalks. Sidewalks shall be installed by the developer on both sides of all streets within and immediately adjacent to a proposed development and shall be designed and constructed in accordance with City standard details and specifications, if any. The construction of sidewalks need not be completed prior to the final approval and acceptance of a final plat but must be completed prior to the issuance of a certificate of occupancy or within two years from the approval of the final plat. A cost estimate for the construction of any sidewalks, not constructed prior to the final approval and acceptance of the final plat, shall be prepared and a bond for 110 percent of such costs shall be posted with the City. Each year the Developer and City may agree to the additional sidewalks completed during the previous year and reduce the amount of the bond to reflect the construction costs of the sidewalks that have been completed. Sidewalks not completed prior to the end of the two-year period shall be completed by the Developer and by the City with the bond funds. Failure to provide sufficient bonds or complete the sidewalks shall not obligate the City to build sidewalks but be a continuing obligation of the developer.
(f) Streets and Roads. In addition to designing, installing and constructing all reasonably necessary and useful streets, roads and alleys within the boundaries of the Subdivision, the developer shall be responsible for the dedication of additional right-of-way required for the streets and roads adjacent to and abutting the boundaries of the Subdivision, and the cost and expense of widening and improving any such street or road to the centerline thereof.
(Ord. 2022-002, passed 4-19-2022)