A.   Street Plan: The subdivision of land, including the arrangement, character, extent, width, grade and location of all streets, alleys, or other land to be dedicated for public use 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 such streets.
   B.   Minimum Street Standards: All rights of way shall conform to the following minimum dimensions in all subdivisions hereafter laid out in the city:
Primary or major street
80 feet wide
Secondary street
60 feet wide
Collector street
60 feet wide
Minor street
50 feet wide
8 feet
Utility easement
10 feet
50 foot radius
      1.   Minor Streets: Minor streets shall be so laid out that their use by through traffic will be discouraged.
      2.   Street Jogs: Street jogs with centerline offsets of less than one hundred twenty five feet (125') shall be avoided. (Ord. 1078, 8-20-1984)
      3.   Visibility 1 : Clear visibility in either direction, measured along the centerline of the street, shall be provided for at least three hundred feet (300') on all primary streets, two hundred feet (200') on secondary streets, and at least one hundred feet (100') on all other streets. (Ord. 1078, 8-20-1984; amd. 2006 Code)
      4.   Safe Traffic Flow: It must be evidenced that all street intersections and confluences encourage safe traffic flow.
      5.   Alleys:
         a.   Alleys will be required in commercial and industrial districts.
         b.   Alleys shall be optional in residential areas except where topographical or other conditions may necessitate their use.
      6.   Cul-De-Sacs:
         a.   The maximum length of a cul-de-sac shall be three hundred feet (300') measured along the centerline from the intersection at the origin through the center of the circle to the end of the right of way.
         b.   Each cul-de-sac shall have a terminus of nearly circular shape with a minimum diameter of one hundred feet (100') with the entrance radius having a minimum of twenty five feet (25').
      7.   Half Streets:
         a.   Half streets shall be prohibited, except where essential to the reasonable development of the subdivision in conformity with the other requirements of this chapter.
         b.   Wherever a half street is adjacent to a tract to be subdivided, the other half of the street shall be planned within such tract.
      8.   Reserved Strips: No strip or area shall be reserved along any portion of a street, half street, or alley which will prevent adjacent property owners access thereto.
      9.   Street Designations:
         a.   No street designations may be used which will duplicate or be confused with the designations of existing streets.
         b.   Existing street designations must be projected wherever possible. (Ord. 1078, 8-20-1984)
      10.   Entrance To State Highway: If the tract of land proposed to be subdivided or any part thereof lies adjacent to a highway over which the state department of transportation has jurisdiction with respect to maintenance and upkeep thereof, and an entrance or entrances are desired from such highway to lots, streets, roadways or alleys in such proposed subdivision, the subdivider shall submit to the city council a written permit from the said state department of transportation, granting him permission to obtain and construct such an entrance or entrances. (Ord. 1078, 8-20-1984; amd. 2006 Code)
   C.   Easements:
      1.   Width: Easements of not less than ten feet (10') in width shall be provided on each side of all rear lot lines, and along side lot lines, where necessary, for conduits, storm and sanitary sewers, and gas, water and other mains. Easements of greater width may be required along or across lots when necessary for extension of main sewers or other utilities or where both water and sewer lines are located in the same easements. A two foot (2') easement shall be required on one side of and adjacent to an alley to accommodate pole lines.
      2.   Watercourses: Whenever any subdivision is traversed by a watercourse, drainageway, channel or stream, the subdivider shall, at his own expense, make adequate provision for straightening or widening the channel so that it will properly carry the surface water, and shall also provide and dedicate to the city an easement along each side of the stream, which easement shall be for the purpose of widening, improving or protecting the stream. The width of such easement shall not be less than twenty feet (20'), and the total width of the easement shall be adequate to provide for any necessary channel relocations and straightening.
   D.   Block Standards:
      1.   Length: The maximum lengths of blocks shall be one thousand five hundred feet (1,500'). Blocks over eight hundred feet (800') may require crosswalkways.
      2.   Shape: No specific rule concerning the shape of blocks is made, but blocks must fit easily into the overall plan of the subdivision, and their design must evidence consideration of lot planning, traffic flow and public areas.
   E.   Lot Standards:
      1.   Area: The minimum lot area shall be ten thousand (10,000) square feet, and frontage on a street shall be ninety feet (90'). In residential areas, no building shall be closer to the lot line than seven and one-half feet (71/2').
      2.   Abutting Street: All lots shall abut on a publicly dedicated street.
      3.   Side Lines: Side lines of lots shall be approximately at right angles or radial to the street line.
      4.   Double Frontage: Double frontage lots are forbidden except where lots back upon a primary street (major thoroughfare), and in such instances, vehicular access between the lots and the thoroughfare is prohibited or where topography of the land might render subdivision otherwise unreasonable. Such lots shall have an additional depth of at least ten feet (10') in order to allow for a protective screen planting.
      5.   Abutting Watercourse: Lots abutting a watercourse, drainageway, channel or stream shall have additional minimum width or depth as required to provide an adequate building site. (Ord. 1078, 8-20-1984)



1. See subsection 4-4-1G of this code for visibility at intersections.