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Rockaway Township City Zoning Code

§ 54-29.4

Streets.

[Ord. No. 95-24 § 54-81; Ord. No. 99-19 § 2]
The following standards shall apply for all streets which are within the jurisdiction of the Township. When the standards for required improvements are not indicated herein, the developer shall follow the improvement standards indicated in the latest edition of the N.J.D.O.T. Standard Specifications for Road and Bridge Construction, and which is available for inspection in the office of the Township Engineer.
A. 
General. Streets, driveways, aisles and sidewalks shall be designed to:
(1) 
Permit the safe, efficient and orderly movement of vehicular and pedestrian traffic;
(2) 
Discourage heavy volumes of through traffic on minor streets and in residential areas;
(3) 
Provide for anticipated future volumes and speeds of traffic;
(4) 
Provide for adequate access and movement of emergency and service vehicles, including police and fire-fighting equipment, school buses, street maintenance vehicles, garbage trucks, delivery vehicles, etc;
(5) 
Provide access to adjacent properties without unduly interfacing with the flow of traffic;
(6) 
Provide a simple and logical street pattern; and
(7) 
Provide an attractive streetscape.
B. 
Street width. The width of street pavement shall be according to the following standards:
(1) 
Arterial streets: sixty-six-foot r.o.w., forty-eight-foot cartway.
(2) 
Collector streets: sixty-foot r.o.w., forty-foot cartway.
(3) 
Neighborhood through roads: fifty-foot r.o.w., thirty-foot cartway.
(4) 
Minor streets (moderate traffic volume, as determined by Planning Board): fifty-foot r.o.w., twenty-eight-foot cartway.
(5) 
Minor streets (light traffic volume, as determined by Planning Board): fifty-foot r.o.w., twenty-four-foot cartway.
(6) 
Substandard street widths: Applicant shall dedicate additional width, along one side of the street, equivalent to 1/2 the required width.
C. 
Street grades. The minimum and maximum grades of streets shall be as follows:
(1) 
Minimum grade. All streets shall have a minimum grade of 0.75%.
(2) 
Maximum grade. Streets shall be constructed with the following maximum grades:
(a) 
Arterial streets: 4%, provided that the street grade may not exceed 3% within 50 feet of an intersection.
(b) 
Collector streets and neighborhood through roads: 6%, provided that the street grade may not exceed 5% within 50 feet of an intersection.
(c) 
Minor streets: 9%, provided that the street grade may not exceed 5% within 50 feet of an intersection.
D. 
Horizontal curves. The following standards shall apply to the construction of horizontal curves for streets:
(1) 
All streets shall be constructed with a minimum center line radius appropriate to the street classification. The following standards shall apply, provided that the Planning Board may require greater radii when conditions warrant:
(a) 
Arterial streets: as determined by the Board.
(b) 
Collector streets: 300 feet.
(c) 
Neighborhood through roads: 150 feet.
(d) 
Minor streets: 100 feet.
(2) 
Sight easements shall be provided at horizontal curves when it is determined by the Planning Board and the Township Engineer that same are necessary for proper visibility. The boundaries of the easement shall be determined based upon conditions which exist at the curve.
E. 
Tangents between reverse curves. All streets shall be constructed with a minimum tangent between reverse curves in accordance with the following schedule:
(1) 
Arterial streets: as determined by the Board.
(2) 
Collector streets: 150 feet.
(3) 
Neighborhood through roads: 100 feet.
(4) 
Minor streets: 50 feet.
F. 
Vertical curves. All changes in grade shall be connected by vertical curves of sufficient length to provide a smooth transition and proper sight distance according to recommended design practice. Vertical curves for all minor streets shall have a minimum "K" value of 30 for both crest and sag curves. All other streets shall be designed with vertical curves as required by the Planning Board review based upon street conditions.
G. 
Street intersections. The following standards shall apply to intersections:
(1) 
Street intersections shall be as nearly at right angles as possible and in no case shall the angle of intersection be less than 75°.
(2) 
New intersections along one side of an existing street shall, if possible, be aligned with any existing intersections on the opposite side of the street. Use of "T" intersections shall be encouraged. When neither "T" intersections or properly aligned four-way intersections are possible, intersections shall be offset by at least 175 feet between intersection center lines.
(3) 
Curbs shall be rounded at all intersections in accordance with the following schedule. When an intersection involves streets of more than one classification, the curb radius for the higher street classification shall apply.
(a) 
Arterial streets: as determined by the Board.
(b) 
Collector streets: 35 feet.
(c) 
Neighborhood through roads: 30 feet.
(d) 
Minor streets: 25 feet.
(4) 
Sight easements shall be provided at all intersections, and shall include the area on each street corner that is bounded by the right-of-way lines and the line which connects the two sight or "connecting points" located on each of the center lines of the intersecting streets. The first sight point shall be located on the center line of the side street, 20 feet from the pavement edge of the through street, measured perpendicular to the through street. The second sight point shall be located on the center line of the through street, at a distance, measured along the street center line, from the intersection of the street center lines as indicated in the following schedule:
Posted Speed Limit on Through Street
Distance to Sight Point
25
300 feet
30
350 feet
35
400 feet
40
475 feet
45
550 feet
50
600 feet
(5) 
Street Jogs shall have center line offsets of not less than 150 feet.
H. 
Dead-end streets. The following standards shall apply to dead end streets:
(1) 
The maximum length of dead-end streets shall be related to the district within which the lots which front on the street are located, in accordance with the following schedule. The length shall be measured along the center line of the street from the extreme dead end of the right-of-way line at the turning circle to the center line of the nearest intersecting through street.
Zone
Maximum Length
R-20AC, R-5AC, R-88
2,200 feet
R-20
1,000 feet
R-13
750 feet
(2) 
There shall be a turnaround provided at the end of all dead-end streets with a minimum outside curb radius of 50 feet, and a minimum right-of-way radius of 60 feet. Whenever possible, the turnaround shall be tangent to the right side of the street as one approaches the turnaround.
(3) 
Street signs indicating the dead-end nature of the street shall be posted by the developer within 50 feet of the intersection with a through street.
(4) 
If a dead-end street is of a temporary nature, a turnaround shall be provided and provisions made for future extension of the street, and reversion of the excess r.o.w. to the adjacent properties.
I. 
Street pavement. All streets shall be paved in accordance with the following standards:
(1) 
Arterial streets, or streets carrying substantial volumes of truck traffic: six inches thick quarry process stone base, plus five inches thick quarry process stone base, plus five inches thick stabilized base, plus three inches thick wearing course.
(2) 
Collector streets or neighborhood through roads: six inches thick quarry process stone base, plus five inches thick stabilized base, plus two thick inches wearing course.
(3) 
Minor streets: six inches thick quarry process stone base, plus four inches thick stabilized base, plus two inches thick wearing course.
J. 
Private streets. Any private street proposed for any development shall follow the same provisions required for public streets.