Street Design Standards
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Design Specification
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Street Classification
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Local
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Collector
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Arterial
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Right-of-way width (feet)
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50
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50
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80
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Pavement width (feet)
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34
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36
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24 to 481
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Traffic lane width (feet)
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9
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10
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12
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Parking lane width (feet)
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8 (when required)
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Sidewalk width (feet)
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4 as per § 93-35C
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Curbing
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Vertical curb, or grassed drainage swale with no curbing
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NOTES:
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1
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The width shall depend on whether two lanes or four lanes are
provided for traffic.
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Acer x freemanii 'Armstrong' - Columnar red maple
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Acer ginnala - Amur maple
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Acer rubrum - Red maple
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Acer saccharum - Sugar maple
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Celtis occidentalis - Common hackberry
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Fagus grandifolia - American beech
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Gingko biloba - Gingko (male only)
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Gleditsia triacanthos inermis - Thornless honey locust
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Liquidamber styraciflua - Sweet gum
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Plantanus acerifolia - London plane tree
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Quercus alba - White oak
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Quercus borealis or rubra - Northern red oak
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Quercus coccinea - Scarlet oak
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Quercus palustris - Pin oak
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Sophorajaponica - Japanese pagodatree
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Tilia - Linden - all species hardy to the area
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Ulmus carpinifolia - Elm hybrids (Dutch Elm disease-resistant
cultivars)
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Zelkova serrata - Japanese zelkova
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Amelanchier canadensis - Shadblow serviceberry; 5 to 6 feet
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Cercis canadensis (single leader)- Eastern redbud; caliper of
1 1/2 inches
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Cornus florida - Flowering dogwood; 5 to 6 feet
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Cornus kousa - Kousa dogwood; 5 to 6 feet
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Cornus mas - Carnelian cherry; 5 to 6 feet
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Crataegus phaenopyrum - Washington hawthorn; 5 to 6 feet
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Magnolia acuminata - Cucumber tree magnolia; 5 to 6 feet
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Magnolia soulangeana - Saucer magnolia; 5 to 6 feet
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Malus floribunda - Japanese flowering crab; caliper of 1 1/4
to 1 1/2 inches
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Prunus kwanzan - Kwanzan cherry; caliper of 1 1/4 to 1 1/2
inches
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Prunus yedoensis - Yoshino cherry; caliper of 1 1/4 to
1 1/2 inches
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Syringa reticulata - Ivory silk; caliper of 1 1/2 inches
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Ilex opaca - American holly
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Picea abies - Norway spruce
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Picea omorika - Serbian spruce
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Picea pungens - Colorado spruce and Blue spruce
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Pinus nigra - Austrian pine
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Pinus strobus - White pine
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Pseudotsuga menziesii - Douglas fir
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Juniperus virginiana - Upright juniper; 4 to 5 feet
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Taxus capitata - Upright yew; 2 1/2 to 3 feet
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Taxus hicksi - Hicks yew; 2 1/2 to 3 feet
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Thuja occidentalis - American arborvitae; 4 to 5 feet
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Cornus sericea - Red twig dogwood; species hardy to the area
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Fothergilla - species hardy to the area
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Hamamelis vernalis - Vernal witch hazel
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Hamarnelis virginiana - Common witch hazel
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Ilex verticillata - Winterberry
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Viburnum - species hardy to the area
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