APPENDIX B STREET STANDARDS

Type of Street	Number of Lots	Street Width Incl. Curb & Gutter	Vertical Curve Speeds (mph)	Min. ROW (ft.)	Max. Block Length (ft.)	Average Daily Traffic (ADT)	Design Speeds (mph)	Planting Strip (ft. on each side)	Max. Grade (%)	Side- walk (ft. on each side)
Cul-de- sac	< 20	34	25	50	600	< 200	25	4	12	4
Local	Gen. 20 - 50	34	25	50	800	201 - 500	25	4	10	4
Collector	Gen. 20 - 50	36	35	60	800	501 - 3,000	35	7	8	5
Minor Arterial	Gen. 20 - 50	38	35	66	800	3,000 - 6,500	45	8	6	6
Principal Arterial	Gen. 20 - 50	50	35	78	800	> 6,500	50	8	4	6
Private Streets: In condominiums, Planned Unit Developments and/or apartment subdivisions, shall have design speeds of not more than 25 mph. The maximum road width permitted shall be 24 feet. Maximum grades shall not exceed 8%.
Street right-of-way: Width may be increased a minimum of 12 - 15 feet for boulevards. The width of a boulevard shall not be less than 12 feet.
For cul-de-sac and local streets less than 300 feet in length, landscaped boulevards may be substituted in place of the required planting strip.
With approval from public safety officials, a pedestrian connector-sidewalk, walkway, or pathway of not less than 6 feet in width may be authorized by Planning Commission to link 2 cul-de-sacs.
Cul-de-sac streets may not comprise more than 25 to 30% of the total street surface area within an approved subdivision. When pedestrian connectors are authorized to link cul-de-sacs, this percentage may be increased by not more than 5%.
For blocks exceeding 700 feet in length, the Planning Commission may require, either at or near mid-block, a sidewalk connection to the opposite side of the street or to an interconnecting street.
Roundabouts shall not be required, but shall be encouraged whenever traffic calming is a perceived priority.

 

(Ord. 12-2002. Passed 7-2-02; Ord. 22-2004. Passed 8-19-04.)