Duluth UDC Table 9-A

Street Category Minimum Right-of-Way(1) Minimum Roadway(2) Principal Arterial 120-150 feet 6 thru lanes with median Major Arterial 100-120 feet 4-6 lanes with median Minor Arterial 80-100 feet 52-66 feet – 4 thru lanes with median Major Collector 80 feet 52 feet Minor Collector 60-80 feet 28 feet Local Street Non-residential Non-residential Cul-de-sac 60 feet(3) 60 foot radius 32 feet 50 foot radius Local Street Residential Urban Residential Urban Cul-de-sac 50 feet 50 foot radius 25 feet 40 foot radius Local Street Residential Rural(4) Residential Rural Cul-de-sac 60 feet(5) 60 feet radius(5) 24 feet 40 foot radius (1) The greater the right-of-way width shall apply under circumstances as described in Section 905.05(e3). (2) Roadway width dimensions are back-of-curb to back-of-curb except when noted. (3) Utility easement shall be provided in allocation and size as required by the Gwinnett County Department of Water Resources. (4) Subdivisions zoned RA-200. (5) May be reduced to 50 if curb, gutter, and pipe drainage system is provided. 2. Exceptions. a. Conservation Subdivisions. New local streets in Conservation Subdivisions shall be as follows: i. Entrance Streets: At least 46 feet wide right-of-way. ii. Other Interior Streets: At least 44 feet wide right-of-way. iii. Right-of-way Radii: At least 45 feet for cul-de-sac or “eyebrow” turnarounds. iv. Alleys: No minimum if not to be dedicated to the City; at least 20 feet wide right-of-way if to be dedicated to the City. v. Pavement Width of New Interior Local Streets: 1. Entrance Streets: At least 22 feet (measured to face of curb). 2. Other Interior Streets: At least 20 feet (measured to face of curb). 3. Curb and Gutter: At least 1.5 feet. 4. One-Way Alleys: At least 12 feet (concrete or asphalt), if intended for one-way traffic with or without curb, if not to be dedicated to the City; at least 12 feet if surfaced with asphalt (plus a 6-inch curb each side of pavement) and at least 12 feet if surfaced with concrete (with or without curb). b. Planned Unit Developments, New Local Residential Streets. New local residential streets in the PUD District shall be as follows: 245 | P a g e Article Nine. Project Design and Construction Standards i. Right-of-Way Width: 1. Interior Streets: At least 46 feet. 2. Right-of-Way Radii: At least 50 feet for cul-de-sac or “eyebrow” turnarounds. 3. One-Way Alleys: At least 15-foot easement if not to be dedicated to the City; at least 15 feet of right-of-way if to be dedicated to the City. ii. Pavement Width: 1. Interior Streets: At least 24 feet (measured to face of curb). 2. Right-of-Way Radii: At least 50 feet for cul-de-sac or “eyebrow” turnarounds (measured to back of curb). 3. One-Way Alleys: At least 12 feet (concrete or asphalt), with or without curb, if not to be dedicated to the City; at least 12 feet if surfaced with asphalt (which includes a 6” concrete curb on each side) and at least 12 feet if surfaced with concrete (with or without curb). iii. Additional Pavement and Right-of-Way Width: 1. Additional Travel Lanes: At least 10 feet of pavement width, 12’ preferred. 2. On-Street Parallel Parking: At least 9 feet of pavement width. 3. Right-of-Way: Additional right-of-way shall be provided to accommodate additional travel lanes, parallel on-street parking, sidewalks and underground utilities. c. Planned Unit Developments, New Local Non-Residential Streets. New local non-residential streets in the PUD District shall be as follows: i. Right-of-Way Width: 1. Interior Streets: At least 48 feet 2. Right-of-Way Radii: At least 55 feet for cul-de-sac or “eyebrow” turnarounds. 3. One-way Alleys: At least 15-foot easement if not to be dedicated to the City; at least 15 feet of right-of-way if to be dedicated to the City. ii. Pavement Width: 1. Interior Streets: At least 24 feet plus curb and gutter (min 1 ½’). 2. Right-of-Way Radii: At least 50 feet for cul-de-sac or “eyebrow” turnarounds (measured to back of curb). 3. One-way Alleys: At least 10 feet (concrete or asphalt), with or without curb, if not to be dedicated to the City; at least 12 feet if surfaced with asphalt plus 6” concrete curbs on each side and at least 10 feet if surfaced with concrete (with or without curb). iii. Additional Pavement and Right-of-Way Width: 1. Additional Travel Lanes: At least 11 feet of pavement width, 12’ preferred 2. On-Street Parallel Parking: At least 9 feet of pavement width. 3. On-Street Angled Parking: At least 18 feet of pavement width. 4. Right-of-Way: Additional right-of-way shall be provided to accommodate additional travel lanes, on-street parallel parking, on-street angled parking, sidewalks and underground utilities.