1105.08 STREET DESIGN STANDARDS FOR CUL-DE-SAC AND LOOP-TYPE STREETS.

   The design and improvement standards contained herein are minimum for cul-de-sac and loop-type local streets in a residential subdivision. All such streets shall be designed and constructed in accordance with standards as specified in Table 3 and other applicable sections of these Subdivision Regulations. Cul-de-sacs are required whenever a street is intended to be permanently dead-ended.

Table 3: Street Design Standards for Cul-de-Sacs and Loop-Type Streets
Terrain Classification  Development Density	Level Low Med High	Rolling Low Med High	Hilly Low Med High
Right-of-Way (ft)	60 60 60	60 60 60	60 60 60
Pavement Width (ft) without curb and gutter	24 24 24	24 24 24	24 24 24
Pavement Width (ft) with curb and gutter	29 29 29	29 29 29	29 29 29
Pavement Width (ft) with curb	28 28 28	28 28 28	28 28 28
Minimum Stopping Sight Distance (ft)	200 200 200	150 150 150	110 110 110
Maximum Cul-de-Sac Length (ft)	1000 800 600	1000 800 600	1000 800 600
Minimum Cul-de-Sac Right-of- Way Radius (ft)	60 60 60	60 60 60	60 60 60
Minimum Cul-de-sac Pavement Radius (ft) (Not Including Curb and Gutter)	50 50 50	50 50 50	50 50 50
Minimum Centerline Radius of Streets with an Angle of Turn of: (1) Between 80° and 100° (ft)   (2) Less than 80° or More than 100° (ft)	50 50 50 200 200 200	50 50 50 200 200 200	50 50 50 200 200 200
Maximum Grade (%)	4 4 4	8 8 8	15 15 15
Minimum Grade with curb (%)	0.5 0.5 0.5	0.5 0.5 0.5	0.5 0.5 0.5
Minimum Sidewalk Width (ft) when required	4 4 4	4 4 4	4 4 4

Refer to Chapter 1109 for definition of Terrain Classification.

Refer to Chapter 1109 for definition of low, medium and high development density.

Refer to Typical Residential Street Sections, Section 1105.33.

Refer to Sections 1105.06(b) and 1105.07 for maximum grade at intersections

No minimum grade required for streets w/o curb and gutter

Refer to Section 1105.24 for sidewalk requirements

(Ord. 56-2005. Passed 10-3-05.)