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"" '" Sec. 33.1-41. Preservation of noteworthy features. In all subdivisions, to the maximum degree reasonably possible, efforts shall be made to preserve historic sites, scenic points, trees and other desirable natural growths, watercourses and other water areas, and other features worthy of preservation. Such preserved features shall be noted on the final plat. Sec.33.1-42. Street and block layout. Street and block layout shall conform to the most advantageous development of adjoining areas, and the entire neighborhood, and shall provide for the following: (a) Street continuity of appropriate streets. (b) Streets shall intersect at right angles, or as nearly as possible with a minimum tangent of 100 feet prior to intersection streets classified as collector streets or higher. When two local streets intersect a minimum 50-foot tangent section shall be provided. (c) Street or right-of-way jogs or off-sets shall be prohibited unless required by the City Engineer. (d) Less than full width streets, public or private, shall not be permitted unless required to provide access in accordance with plans approved by the Planning Commission. (e) No major subdivision of more than 24 lots may be approved that provides only one access point. Should topography conditions exist, the Planning Commission may grant an exception based on the unique situation and provisions by the subdivider that additional safeguards will be utilized. Dead-end streets for subdivisions of less than 24 lots shall be avoided but if necessary a cul-de-sac must be provided. (f) Alleys shall be provided in commercial and industrial districts, except that the Planning Commission may waive this requirement where other definite and assured provision is made for service access and off-street loading adequate for the uses proposed. (g) For residential lots fronting on major arterial highways, the Planning Commission may require marginal access streets, or such other treatment as may be necessary for protection of residential properties and to afford separation of through and local traffic. (h) Where a subdivision borders on or contains a railroad right-of-way or limited access highway right-of-way, the Planning Commission may require a street parallel to and on each side of such right-of-way at a distance suitable for the appropriate use of the intervening land, such as for park purposes in residential districts, or for commercial or industrial purposes in appropriate districts. Such distances shall also be determined with due regard for the requirement of approach grades and future grade separations. (i) The length, widths and shapes of blocks shall be determined with regard to provision of adequate building sites suitable to the special needs of the type of use contemplated. U) The length of residential blocks shall generally not exceed 450 feet in length nor wider than 240 feet. (k) Walks or pedestrian ways at a mid-block point may be required when determined to be essential by the Planning Commission to provide circulation or access to schools, playgrounds, shopping centers, etc. (I) The use of access control strips except for reasons of traffic safety shall be discouraged. (m) No street intersections shall include more than four street approaches. (n) Where two streets intersect a common street, the minimum distance between their rights- of-way shall be no less than 250 feet measured along the centerline of such common street. Should the two streets be a low volume local street with Average Daily Traffic less than 1,500 vehicle trips per day, the minimum spacing between streets entering from opposite sides of the major street should be no less than 125 feet. Page 23 of 33