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" 0 i4W, <br />T R A\ C E <br />Roadway Design Standards Table <br />Design <br />2 Way Alley <br />Enhanced Residential Street <br />Residential Collector <br />Commercial/Multifamily Collector <br />Elements <br />Existing <br />Trace <br />Existing City <br />Trace Enhanced <br />Trace Enhanced <br />Trace Enhanced <br />Existing <br />Trace Standard <br />Trace Standard <br />Existing City <br />Trace Standard <br />Trace Standard EE <br />City <br />Standard <br />Standard <br />Residential <br />Residential <br />Residential <br />City <br />AA and BB <br />CC <br />Standard <br />DD <br />Standard <br />(Standard) <br />(School) <br />(Central Park) <br />Standard <br />Expected ADT <br />- <br />- <br />500 <br />500 <br />500 <br />500 <br />500-3,000 <br />500-3,000 <br />500-3,000 <br />2,000-10,000 <br />2,000 -10,000 <br />2,000 -10,000 <br />(vpd) <br />Minimum ROW <br />16 <br />20 <br />53 <br />52 <br />56 <br />56 <br />62 <br />104 <br />120 <br />80 <br />100 <br />100 <br />(feet) <br />Minimum <br />15 <br />20 <br />33 <br />30 <br />32 <br />32 <br />38 <br />20+20 <br />20+20 <br />48 <br />32+32 <br />32+32 <br />Paved Width <br />(feet) <br />Number of <br />1-2 <br />2 <br />2 <br />1 queuing <br />1 queuing <br />1 queuing <br />2 <br />2 <br />2 <br />2-4 <br />4 <br />4 <br />Lane <br />Lane Width <br />15-20 <br />10 <br />10-113 <br />14 <br />16 <br />16 <br />10-113 <br />12 <br />12 <br />11-12 <br />12 <br />12 <br />(feet) <br />Design Speed <br />- <br />- <br />20-30 <br />20-30 <br />20-30 <br />20-30 <br />30-35 <br />30-35 <br />30-35 <br />30-40 <br />30-40 <br />30-40 <br />(mph) <br />Curb Basis <br />- <br />- <br />10 <br />10.5 <br />14.5 <br />(feet) <br />Tangent <br />- <br />- <br />50 <br />50 <br />50 <br />50 <br />100-150 <br />100-150 <br />100-150 <br />110-150 <br />100 -150 <br />100 -150 <br />Length <br />between <br />reverse curves <br />(feet) <br />Spacing of <br />- <br />- <br /><300 <br /><300 <br /><300 <br /><300 <br />300-500 <br />300-500 <br />300-500 <br />500 <br />300-500 <br />300-500 <br />Cross -Street <br />(feet) <br />Driveways <br />- <br />- <br />Yes <br />Yes <br />Yes <br />Yes <br />Yes <br />Nob <br />Nob <br />Restricted <br />Restricted <br />Restricted <br />Permitted <br />Driveway <br />- <br />- <br />1 per property <br />1 per property <br />1 per property <br />1 per property <br />50-75 <br />N/A <br />N/A <br />75-100 <br />75-100 <br />75-100 <br />Spacing (feet)` <br />Parking <br />- <br />- <br />Yes / 2 sides <br />Yes / 2 sides <br />Yes / 2 sides <br />Yes / 2 sides <br />Yes <br />Yes/ 2 sides <br />Yes/ 2 sides <br />Restricted <br />Restricted <br />Restricted <br />Landscaping <br />- <br />- <br />Both Sides <br />Both Sides <br />Both Sides <br />Both Sides <br />Both Sides <br />Both Sides <br />Both Sides <br />Both sides <br />Both Sides <br />Both Sides <br />3'+3'=6' <br />7' <br />7' <br />7' <br />3.5' + <br />7' + 5'=12' <br />7' <br />6'+2'=8' <br />8' <br />8' <br />2'=5.5' <br />Street Trees <br />1 Shade Treed <br />1 shade tree per <br />1 shade tree per <br />1 shade tree per <br />1 shade tree per <br />1 shade tree per <br />1 shade tree per <br />(within 7' <br />per 3G 5o LF- 2" <br />3o LF — 2-4" size; <br />3o LF — 2-4" size; <br />3o LF — 2-4" size; <br />3o LF — 2-4" size; <br />3o LF — 2-4" size; <br />3o LF — 2-4" size; <br />Street Tree <br />caliper <br />avg. 3" caliper <br />avg. 3" caliper <br />avg. 3" caliper <br />avg. 3" caliper <br />avg. 3" caliper <br />avg. 3" caliper <br />Area) <br />School Side <br />Park Side <br />Both sides <br />Both sides <br />Both sides <br />Both sides <br />Ornamental <br />1 Ornamental tree <br />1 Ornamental tree <br />1 Ornamental <br />1 Ornamental <br />1 Ornamental tree <br />1 Ornamental tree <br />Trees <br />per 5 shade trees <br />per 5 shade trees <br />tree per 5 shade <br />tree per 5 shade <br />per 5 shade trees <br />per 5 shade trees <br />— min. 2" caliper — <br />— min. 2" caliper — <br />trees — min. 2" <br />trees — min. 2" <br />— min. 2" caliper — <br />— min. 2" caliper — <br />School Side <br />Park Side <br />caliper — Both <br />caliper — Both <br />Both Sides <br />Both Sides <br />Sides <br />sides <br />26 <br />