§ 4.01 
The arrangement, character, extent, width, grade and location of all streets shall conform to the City of Kalamazoo Major Thorofare 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 such streets.
§ 4.02 
Where such is not shown in the Thorofare Plan, the arrangement of streets in the 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 Commission.
§ 4.03 
Minor streets shall be laid out so that their use by through traffic will be discouraged.
§ 4.04 
Where a subdivision abuts or contains an existing or proposed arterial street, the Planning Commission 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 such other treatment as may be necessary for adequate protection to residential properties and to afford separation of through and local traffic.
§ 4.05 
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 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, or for commercial or industrial purposes in appropriate districts. Such distances shall also be determined with due regard for the requirements of approach grades and future grade separations.
§ 4.06 
Reserve strips controlling access to streets shall be prohibited except where their control is definitely placed in the City under conditions approved by the Planning Commission.
§ 4.07 
Street jogs with center line offsets of less than 125 feet shall be avoided.
§ 4.08 
A tangent at least 100 feet long shall be introduced between reverse curves on arterial and collector streets.
§ 4.09 
When connecting street lines deflect from each other at any one point by more than 10°, they shall be connected by a curve with a radius adequate to insure a sight distance of not less than 200 feet for minor and collector streets, and of such greater radii as the Planning Commission shall determine for special cases.
§ 4.10 
Streets shall be laid out so as to intersect as nearly as possible at right angles and no streets shall intersect any other street at less than 60°.
§ 4.11 
Rounded property corners at street intersections shall be avoided wherever possible. The Planning Commission may require or permit comparable cut-offs, chords or rounded corners when deemed necessary due to street intersection angles.
§ 4.12 
Street right-of-way widths shall be as shown in the Thorofare Plan and where not shown therein shall be not less than as follows:
Street Type
Right-of-Way
(feet)
Arterial
86 — 200
Collector
66 — 100
Minor
66
Marginal access
50
§ 4.13 
Half streets shall be prohibited except where essential to the reasonable development of the subdivision in conformity with the other requirements of these regulations; and where the Planning Commission finds it will be practicable to require the dedication of the other half where the adjoining property is subdivided. Wherever a half street is adjacent to a tract to be subdivided the other half of the street shall be platted within such tract.
§ 4.14 
Dead-end streets, designed to be so permanently, shall not generally be longer than 500 feet and shall be provided at the closed end with a turn-around having an outside roadway diameter of at least 80 feet, and a street property line diameter of at least 100 feet.
§ 4.15 
No street names shall be used which will duplicate or be confused with the names of existing streets. New streets which are extensions of or obviously in alignment with existing streets shall bear the name of the existing streets. Street names shall be subject to the approval of the Planning Commission.
§ 4.16 
Street grades, wherever feasible, shall not exceed the following, with due allowance for reasonable vertical curves:
Street Type
Percent Grade
Arterial
5%
Collector
5%
Minor
8%
Marginal Access
8%
§ 4.17 
No street grade shall be less than 0.4% with 0.5% the preferred minimum.
§ 4.18 
All subdivisions adjacent to or containing a state highway trunkline shall be submitted to the State Highway Commissioner for approval.
§ 4.21 
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, such as off-street parking, loading and unloading consistent with and adequate for the uses proposed. Alleys shall not be permitted in residential districts unless approved by the Planning Commission.
§ 4.22 
The width of an alley shall be 20 feet.
§ 4.23 
Alley intersections and sharp changes in alignment shall be avoided, but where necessary, corners shall be cut off sufficiently to permit safe vehicular movement.
§ 4.24 
Dead-end alleys shall be avoided where possible, but, if unavoidable, shall be provided with adequate turn-around facilities at the dead-end as determined by the Planning Commission.
§ 4.31 
Easements across lots or centered on rear or side lot lines shall be provided for utilities where necessary and shall be of such width as may be reasonably necessary for the utility or utilities to be benefited.
§ 4.32 
Where a subdivision is traversed by a watercourse, drainage way, channel, or stream, there shall be provided a stormwater easement or drainage right-of-way conforming substantially with the lines of such watercourse, and such additional width as will be adequate for the purpose.
§ 4.41 
The lengths, widths, and shapes of blocks shall be determined with due regard to:
(1) 
Provision of adequate building sites suitable to the special needs of the type of use contemplated.
(2) 
Zoning requirements as to lot sizes and dimensions.
(3) 
Needs for convenient access, circulation, control and safety of street traffic.
(4) 
Limitations and opportunities of topography.
§ 4.42 
The long dimension of a block shall generally not exceed 1300 feet or be less than 500 feet.
§ 4.43 
The number of intersecting streets along arterial streets and highways shall be kept to a minimum. Wherever practicable, blocks along such traffic ways shall be not less than 1,200 feet in length.
§ 4.44 
Pedestrian crosswalks, not less than 10 feet wide, shall be required where deemed essential in or near the middle of the block to provide circulation or access to schools, playgrounds, shopping centers, transportation, and other community facilities on blocks exceeding 900 feet in length.
§ 4.51 
The lot size, width, depth, shape, and orientation, and the minimum building setback lines shall be appropriate for the location of the subdivision and for the type of development and use contemplated.
§ 4.52 
Lot dimensions shall conform to the requirements of the zoning ordinance and:
(1) 
Residential lots served by public sewer and public water shall be not less than 60 feet wide at the building line or at a line 30 feet behind the building line, whichever is lesser, nor less than 6,000 square feet in area.
(2) 
Residential lots served only by public sewer or public water shall be not less than 70 feet wide at the building line or at a line 30 feet behind the building line, whichever is the lesser, nor less than 8,800 square feet in area.
(3) 
Residential lots served by neither public sewer nor public water shall be not less than 75 feet wide at the building line or at a line 30 feet behind the building line, whichever is the lesser, nor less than 9,800 square feet in area.
§ 4.53 
Depth and width of properties reserved or laid out for commercial and industrial purposes shall be adequate to provide for the off-street service and parking facilities required by the type of use and development contemplated.
§ 4.54 
Corner lots for residential use shall have extra width to permit appropriate building setback from and orientation to both streets.
§ 4.55 
The subdividing of the land shall be such as to provide, by means of a public street, each lot with satisfactory access to an existing public street.
§ 4.56 
Double frontage and reverse frontage lots should be avoided except where essential to provide separation of residential development from traffic arteries or to overcome specific disadvantages of topography and orientation. A planting screen easement of at least five feet, across which there shall be no right of access, shall be provided along the line of lots abutting such a traffic artery or other disadvantageous use.
§ 4.57 
Side lot lines shall be substantially at right angles or radial to street lines.
§ 4.61 
Where the Planning Commission determines defined areas located in whole or in part within a proposed subdivision are reasonably necessary for park, playground, school, public utility or other public purposes, it shall notify the applicant and public agency involved before conditional approval of the plat is granted. Thereafter and unless the applicant is willing to dedicate such area without cost, the public agency involved shall, within 60 days, tender the reasonable raw land market value of said area to the applicant or contract to pay said sum with reasonable interest within a two-year period. Upon such payment the public body shall be entitled to a warranty deed to said area. Where a proposed plat has been submitted and portions thereof are proposed to be developed from time to time the requirement of payment for acquisition of areas to be developed for public use shall apply as the plat of each area is accepted for final approval.