§ 155.001  STREETS.
   (A)   The arrangement, character, extent, width, grade and location of all streets shall conform to the general community plan and shall be considered in their relation to existing and planned streets, to topographical conditions, to public convenience and safety, and in their appropriate relation to the proposed uses of the land to be served by those streets.
   (B)   Where there is not shown in the general community plan, the arrangement of streets in a subdivision shall either:
      (1)   Provide for the continuation or appropriate projection of existing principal streets in surrounding areas; or
      (2)   Conform to a plan for the neighborhood approved or adopted by the Planning and Zoning Board to meet a particular situation where topographical or other conditions made continuance or conformances to existing streets impracticable.
   (C)   Minor streets shall be so laid out that their use by through traffic will be discouraged.
   (D)   Where a subdivision abuts or contains an existing or proposed arterial street, the Planning and Zoning Board may require marginal-access streets, reverse frontage with screen planting contained in a nonaccess reservation along the rear property line, deep lots with rear service alleys, or any other treatment as may be necessary for adequate protection of residential properties and to afford separation of through and local traffic.
   (E)   Where a subdivision borders on or contains a railroad right-of-way or limited-access highway right-of-way, the Planning and Zoning Board may require a street or alley approximately parallel to and on each side of the right-of-way and a distance suitable for the appropriate use of the intervening land, as for park purposes in residential districts or for commercial or industrial purposes in appropriate districts for the distances also shall be determined with due regard for the requirements of approach grades and future grade separations.
   (F)   Reserve strips controlling access to streets shall be prohibited except where their control is definitely placed in the town under conditions approved by the Planning and Zoning Board.
   (G)   Street jogs with centerline offsets of less than 125 feet shall be avoided.
   (H)   A tangent at least 100 feet long shall be introduced between reverse curves on arterial streets where either of the curves deflects more than three degrees.
   (I)   A minimum sight distance with clear visibility, on curves, measured along the centerline, shall be provided of at least 300 feet on arterial streets, 200 feet for collector streets and 100 feet on minor streets.
   (J)   Street intersections shall be laid out as to intersect as nearly as possible at right angles, and no street shall intersect any other street at less than 60 degrees. Streets shall have a minimum sight distance of at least 50 feet.
   (K)   Property lines at street intersections shall be rounded with a radius of 25 feet; or of a greater radius where the Planning and Zoning Board may deem it necessary, the Planning and Zoning Board may permit comparable cutoffs or chords in place of rounded corners.
   (L)   Street right-of-way widths shall be as shown in the comprehensive land use plan, and where not shown therein shall not be less than as follows:
 
Street Type
Right-of-Way (feet)
Arterial
100
Collector
70
Minor, for multiple-occupancy dwellings
60
Minor
50
 
   (M)   Half streets shall be prohibited except where essential to the reasonable development of the subdivision in conformity with the other requirements of this chapter and Chapter 156 and where the Planning and Zoning Board finds it will be practicable to require the dedication of the other half when the adjoining property is subdivided. Wherever a half street is in existence and adjacent to a tract to be subdivided, the other half of the street shall be platted within the tract. A cul-de-sac will be required if determined necessary by the Planning and Zoning Board.
   (N)   Dead-end streets designed to be permanent shall not be longer than 500 feet and shall be provided at the closed end with a turnaround having an outside roadway diameter of at least 80 feet and a street property line diameter of at least 100 feet. Measurements shall be from the right-of-way line of the adjoining street to the tangent of the turnaround.
   (O)   No street names shall be used that will duplicate or be confused with the names of existing streets. Street names shall be subject to the approval of the Planning and Zoning Board and other regulatory agencies.
   (P)   No street grade shall be less than 0.10%.
   (Q)   No drainage grade (swales or curb and gutters) shall be less than 0.20%.
(2000 Code, § 58-146)  (Ord. 88-01, passed 5-24-1988)  Penalty, see § 10.99