Current through Register Vol. 39, No. 6, September 16, 2024
(a) Official Plan.
In any new residential area streets shall generally conform to the arrangement
and locations indicated on the latest official plans or maps as officially
adopted for Butner. In areas for which such plans have not been completed,
streets must provide for the continuation or appropriate projection or
principal streets in surrounding areas and provide reasonable means of ingress
and egress for surrounding acreage tracts.
(b) Right-of-Way. Major streets as designated
on the major thoroughfare plan for Butner shall have the following minimum
right-of-way:
(1) major highways--100
feet;
(2) major streets--80
feet;
(3) collector streets--60
feet;
(4) minor (residential)
streets--60 feet; and
(5) marginal
access streets--40 feet.
(c) Paving Widths
(1) Curbs and Gutters. Where approved curbs
and gutters are provided, the paving widths back to back of curbs shall be not
less than the following:
(A) major streets and
highways--49 feet;
(B) collector
streets--37 feet;
(C) minor
(residential) streets--31 feet;
(D)
marginal access streets--27 feet; and
(E) cul-de-sacs--27 feet.
(2) No Curbs and Gutters. Where
curbs and gutters are not provided, the paving widths shall not be less than 20
feet on all streets.
(3) Grades
(A) Unless necessitated by exceptional
topography street grades shall be not more than 10 percent nor less than
one-half of one percent on any street.
(B) Grades approaching intersections shall
not exceed five percent within a distance of not less than 100 feet from the
center line of said intersection.
(C) Street grades shall be established
wherever practicable in such a manner as to avoid excessive leveling of
topography by grading.
(D) All
vertical curves shall have such length as necessary to provide safe sight
distance and a gradual change in grade.
(4) Circular Curve. When a street center line
deflects at any point by more than 10 degrees, a circular curve shall be
introduced, having a radius of curvature of said center line of not less than
the following:
(A) major streets--300
feet;
(B) collector streets--200
feet; and
(C) minor streets--100
feet.
(5) Tangents
(A) A tangent at least 100 feet long shall be
provided between reverse curves on all streets.
(B) Streets shall be laid out so far as to
intersect as nearly as possible at right angles and no street shall intersect
any other street at less than 60 degrees.
(C) Street jogs with center line offsets of
less than 100 feet on collector or major streets shall be prohibited.
(D) Intersections with a major street or
highway less than 800 feet apart shall be avoided.
(6) Cul-de-Sacs. Permanent dead-end streets
and cul-de-sacs shall be no longer than 600 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 80 feet and a street
property line diameter of at least 100 feet.
(7) Curb Cuts
(A) No portion of any entrance driveway
leading from a public street shall be closer than 50 feet to the property line
corner of any intersection measured from the right-of-way line in manufacturing
and institutional districts and no closer than 20 feet in business and
residential districts.
(B) The
width of any entrance driveway leading from the public street shall not exceed
30 feet at its intersection with the curb or street line.
(C) No two driveways leading from a public
street shall be within 20 feet of each other measured along the full height of
the curb.
(8) Corner
Visibility. No obstruction of any kind or nature to the visibility of vehicles
on streets at intersections shall be erected, maintained or allowed to exist.
This area of visibility shall be considered to be not more than three feet
higher than the curb level and not less than 10 feet from the property
corner.