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(A) A subdivision shall provide for the continuation of the principal streets existing in the adjoining subdivisions or of their proper projection when adjoining property is not subdivided, and such streets shall be of a width not less than the minimum requirements for streets set forth in the regulations of this chapter.
(B) Where the plat submitted covers only a part of the subdivider’s tract, drawing of the prospective future street system of the entire tract shall be furnished and the street system of the part submitted shall be considered in light of conformity to the street system of the entire tract.
(C) Where a tract is subdivided into lots of an acre or more, the Planning Commission may require an arrangement of lots and streets such as to permit a later subdivision in conformity to the street requirements and other requirements contained in this chapter.
(Prior Code, § 15A-83) (Ord. 914, passed 2-19-2002)
In order to provide for roads of suitable location, width and improvement to accommodate prospective traffic and afford satisfactory access to emergency services, snow removal, sanitation and road maintenance equipment and to coordinate roads so as to compose a convenient system and avoid undue hardships to adjoining properties, the following minimum design standards for roads are hereby required.
Minimum Design Standards; Residential Streets
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Lane | Rural1 |
Minor Residential | Major Residential* | Low Density Residential |
Minimum Design Standards; Residential Streets
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Lane | Rural1 |
Minor Residential | Major Residential* | Low Density Residential | |
Curb/gutter (See Note 6.) | No | No | Yes | Yes | No |
Design speed | 15 mph | 20 mph | 20 mph | 25 mph | 30 mph |
Parking | No | No | One side | Both sides | No |
ROW width | 40’ | 50’ | 50’ | 60’ | 60’ |
Sidewalk (5’) | No | No | One side | Both sides | No |
Traveled width | 20’ | 24’**; 2’ shoulders | 29’ | 38’ | 24’, 2-ft paved shoulders |
Minimum Design Standards; Arterial streets
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Residential Collector | Major Arterial | Minor Arterial |
Minimum Design Standards; Arterial streets
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Residential Collector | Major Arterial | Minor Arterial | |||
Curb/gutter | Yes | Yes | Yes | ||
Design speed | 25 mph | 35 mph+ | 35 mph | ||
Parking | Optional* | No | No | ||
ROW width | 60’ | 70’ | 60’ | ||
Sidewalk (5’) | Both sides | Both sides | Both sides | ||
Traveled width | 40’ | 48’ * | 36’ * | ||
Volume (ADT) | Up to 3,000 | Up to 5,000 | Up to 3,000 | ||
*12’ moving lanes | *Parking may or may not be allowed, on a case-by-case basis, upon recommendation by the Street Superintendent and Chief of Police. | ||||
Minimum Design Standards; Industrial Roads
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Minimum Design Standards; Industrial Roads
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Curb/gutter (see Note 6.) | No |
Design speed | 30 mph |
Parking | No |
ROW width | 60’ |
Sidewalk (5’) | No |
Traveled width | 36’, 2-ft. paved shoulders |
NOTES: 1. Residential traveled street width is based on moving lanes of ten feet, parking lanes of nine feet. 2. Traveled width does not include gutter, when required. Gutter width is included in width of parking lanes. 3. Where required, sidewalk width shall be five feet, setback five feet from curb or edge of pavement. Wheelchair ramps shall be provided at all intersections. 4. ADT (average daily traffic) is based on ten trips per single-family residential dwelling unit, per day. 5. All streets shall be improved with a wearing surface approved by the city. 6. Curb/gutter is not required only when a drainage plan for surface water discharge has been approved by the Public Works Administrator. | |
(Prior Code, § 15A-85) (Ord. 914, passed 2-19-2002; Ord. 1165, passed 11-19-2012)
(A) The grades of streets shall not exceed 10%, except under unavoidable conditions approved by the Planning Commission at the time of preliminary plat approval.
(B) All streets shall have at least a 0.3% grade.
(C) All streets shall be improved with a wearing surface approved by the city.
(Prior Code, § 15A-86) (Ord. 914, passed 2-19-2002)
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