Amending Chapter 21 Regulating the Sub-Division of Land

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may require the reservation for a period of time, not to exceed fifteen (15) months, of such areas within the Subdivision of character, extent and location suitable to the needs required by such development and may further require the Subdivider to sell to the proper City agency the land at the cost of unimproved land, plus the taxes accumulated from the date of recording, plus their share of street improvements. Such reservations shall be clearly shown on the plat of the Subdivision. Section 21 -137. Street requirements. (a) The arrangement, character, extent, width, grade, and location of all streets shall be correlated to existing and planned streets, existing topography, public convenience and safety, and in their appropriate relation to the proposed uses of the land to be served by such streets. (b) Minor streets shall be laid out so that their use by through traffic will be discouraged. (c) Where a subdivision borders on or contains an existing or proposed street as shown in the Land Use and Transportation Plan, the Commission may require a marginal access street or reverse frontage with screen planting contained in a nonaccess reservation, which shall have a minimum width of ten (10) feet along the rear property line; or, such other treatment as may be adequate for protection of residential properties and to afford separation of through and local traffic. (d) Where a subdivision borders on or contains a railroad right -of -way or limited access highway right -of -way, the Commission may require a street approximately parallel to and on each side of such right -of -way at a distance suitable for the appropriate use of the intervening land, as for park purposes in residential districts. Such distances shall be determined with due regard for the requirements of approved grades and future grade separation. The Commission may require that control of the intervening land strips be placed in the City under conditions approved by the Commission. (e) Street jogs with centerline offsets of less than one hundred and fifty (150) feet shall be prohibited. (f) A tangent at least one hundred (100) feet long shall be introduced between reverse curves on major thoroughfares. All minor streets shall have a tangent of at least fifty (50) feet long on reverse curves. (g) When connecting street lines deflect from each other at any one point by more than ten (10) degrees in alignment, they shall be connected by a curve with a minimum radius of eight hundred (800) feet for major streets and two hundred (200) feet for minor streets. (h) On major streets the minimum sight distance for vertical curves shall be six hundred (600) feet measured from a point five (5) feet above the centerline of the roadway. The minimum sight distance for other streets shall be three hundred (300) feet measured from five (5) feet above the centerline of the roadway. (1) The maximum grade on major streets shall not exceed six percent (6 %). The maximum grade on other streets and alleys shall not exceed eight percent (8 %), and the minimum grade of any street gutter shall not be less than three - tenths (.3) of one percent (1 %). Proposed streets shall be adjusted to the contour of the land to produce useable lots and streets of reasonable gradient. (j) Half- streets and half - alleys shall be prohibited. Whenever a half- street is adjacent to a tract to be subdivided, ther other half (1/2) of the street shall be platted within such tracts. (k) Cul -de -sac and dead end streets, designed to be so permanently, shall generally not be longer than six hundred (600) feet. All dead end streets shall terminate in a circular right -of -way within a minimum radius of fifty (50) feet with an effective turning radius of forty (40) feet. (1) The minimum right -of -way width of all streets shall be as schedules under Section 21- 159(b). (m) All street intersections shall, where possible, be made at right angles but in no case shall the acute angle be less than eighty (80) degrees. 5