(a) Layout Pattern. Street layout shall conform to the general pattern shown on the Major Thoroughfare Plan and with the provisions of these Subdivision Regulations, and shall be designed with due regard to topography, drainage and other physical considerations.
(b) Continuity. The street pattern shall make provisions for the continuance of streets into adjacent vacant property and for connection to existing rights of way in adjacent developed property.
(c) Names. Names of new streets shall not duplicate existing names except where coterminous or where the new right of way is in alignment with an existing one. Further, names of new streets shall not closely approximate or be similar to any existing street names.
(d) Widths, Grades, Curve Radii. Streets shall be designed in accordance with the following standards:
Type of Street | Minimum Right-of- Way | Minimum Pavement (B/B Curb) | Maximum Grade (%) | Maximum Curve (Degree) | Minimum Radius | Minimum Vertical Visibility |
Arterial (Major) Divided | 120 | 24 plus 24 | 4 | 5 | 1150 | 500 |
Undivided | 80 | 48 | 4 | 5 | 1150 | 500 |
Collector (Secondary) | 60 | 37 | 8 | 20 | 400 | 200 |
Local (Minor) | 60 | 28 | 10 | -- | 200 | 100 |
(e) Intersections.
(1) Streets shall intersect at right angles wherever possible and practicable.
(2) Curb lines at intersections shall be rounded to a minimum radius of thirty feet and property lines at intersections to a minimum radius of twenty feet.
(3) Street grades shall not exceed three percent (3%)within 100 feet from the center line of the intersection.
(4) The approach to an intersection shall be perpendicular to the intersected street for a distance of not less than 100 feet from the center line of the intersected street.
(5) Jogs if less than 125 feet from center line to center line shall not be permitted.
(f) Dead Ends and Cul-de-Sacs.
(1) Dead-end streets shall not be permitted unless provided with a paved cul-de-sac having a right-of-way radius of not less than sixty feet and a pavement radius of not less than fifty feet.
(2) The maximum length of a cul-de-sac shall be 600 feet measured from the center of the turnaround to the center of the intersecting street.
(3) Where a street ends at a subdivision line for future extension, it shall be provided with a temporary turnaround until such extension is completed.
(g) Half or Partial Streets. The dedication of half or partial streets shall not be permitted except when a half or partial street exists adjacent to the tract to be subdivided in which case the other portion of such half or partial street shall be dedicated.
(h) Alleys.
(1) Alleys shall not be permitted in Single and Two-Family Districts unless necessitated by unusual considerations.
(2) Alleys shall be provided in Multi-Family, Business and Industrial Districts, unless satisfactory alternate arrangements are made for access to off street parking, loading and service areas.
(3) The minimum width of an alley shall be twenty feet.
(4) Dead-end alleys shall not be permitted.