A. Minimum Right-Of-Way Widths: Street right-of-way width shall be adequate for the type of street indicated by its function in the design of the land subdivided.
B. Width: Width right of way shall meet the minimum requirements shown in the following table:
Type Of Street
|
Right-Of-Way Minimum
| |
Type Of Street
|
Right-Of-Way Minimum
| |
Arterial street | 80 | feet |
For multi-family or commercial development and collector streets | 60 | feet |
Residential street | 50 | feet |
Cul-de-sac | ||
Dead-end street with turnaround | 50 | feet |
Turnaround for cul-de-sac | 40 | foot radius |
Alley | 20 | feet |
C. Conformity Required: All streets, roads, cul-de-sacs, etc., to be dedicated to a highway district shall conform to the standards set forth in the Highway Standards and Development Procedures for the highway districts of Twin Falls County, Idaho 1994 Edition or latest version, or the standards required by the municipality into which it is to be incorporated.
D. Private Roads: Private roads shall conform to the following minimum standards:
1. Width: Twenty feet (20').
2. Base: Eight inches (8") gravel.
3. Surface: Two inches (2") asphalt.
E. Intersections:
1. Horizontal Intersection Angle: Ninety degrees (90°) preferred; seventy five degrees (75°) minimum.
2. Sight Distance: The County Commission may require such conditions as will establish and protect adequate sight distances for vehicular traffic at street intersections.
F. Curves: When connecting street lines deflect from each other at any one point by more than ten degrees (10°), they shall be connected by a curve with a radius adequate to ensure traffic safety and proper street construction and appearance.
G. Blocks: The lengths, widths and shapes of blocks shall be designed with due regard to:
1. Provisions of adequate building site suitable to the special needs of the type of use contemplated.
2. Needs for convenient access, circulation, control and safety of street traffic.
3. Limitations and opportunities of topography.
H. Lots:
1. Minimum Lot Requirements: Lot dimensions shall in all cases conform to the minimum requirements of the Zoning Ordinance for the district.
2. Deed Covenants: Deed covenants shall prohibit construction of permanent structures on easements and proposed rights of way and also regulate setback requirements for that district.
3. Lot Side Lines: The side lines of lots shall run at right angles to the street on which the lots face, as far as is practicable, or on curved street shall be radial to the curve as far as practicable.
4. Double Frontage And Reverse-Frontage: Double frontage and reverse-frontage lots shall be avoided except where essential to provide separation of residential development from traffic arteries or to overcome specific disadvantages of topography and orientation.
5. Lots Subject To Resubdivision: In subdividing tracts which at some future time are likely to be resubdivided, the location of lot lines and other details of the layout shall be such that resubdivision may readily take place without violating the requirements of these regulations and without interfering with the orderly development of streets. Restriction of buildings within future street locations shall be made a matter of record if the County Commissioners consider it necessary.
6. Property Lines At Intersections: Property lines at intersections shall be rounded with a minimum radius of ten feet (10').
I. Easements For Utility Lines: Easements for sewer, water, gas, electric, telephone, drainage, irrigation or other public utilities shall be required. Easements of utility lines shall be a minimum of fifteen feet (15') in width, and centered on rear or side lot lines.
J. Watercourses: Where a subdivision is traversed by a watercourse, drainageway, channel or stream, there shall be provided an easement of such width adequate to carry the water and to construct and maintain the water way.
K. Pedestrianways: Pedestrianways with a minimum width of ten feet (10') shall be provided where such walkways are essential for public convenience.
L. Alleys:
1. Locations: Alleys shall be provided in commercial and industrial districts, unless other access to off-street parking and loading facilities is made as approved by the Board of County Commissioners.
2. Intersections: Alley intersections and sharp changes in alignment shall be avoided, but where necessary, corners shall be cut off sufficiently to permit safe vehicular movement.
3. Dead Ends: Dead-end alleys shall be avoided where possible, but if unavoidable, shall be provided with adequate turnaround facilities as determined by the Board of County Commissioners. (Ord. 21, 12-1-1998)