Street Type
|
Right-of-Way
(feet)
|
Cartway
(feet)
| |
---|---|---|---|
Minor street
|
40
|
24*
| |
Cul-de-sac street
|
40
|
24*
| |
Collector street
|
60
|
36*
| |
Major street
|
**
|
**
| |
Marginal access street
|
33
|
24*
| |
Service street/alley
|
24
|
22*
|
NOTES:
| ||
---|---|---|
*
|
Off-street parking required. If on-street parking is desired,
the minimum right-of-way and cartway widths shall be increased to
50 feet and 36 feet, respectively.
| |
**
|
As required by the PennDOT.
|
Street Type
|
Maximum Grade
| |
---|---|---|
Minor street*
|
10% (up to 15%**)
| |
Cul-de-sac street
|
10%
| |
Collector street
|
6%
| |
Major street
|
5%
| |
Marginal access/service street
|
10%
|
NOTES:
| ||
---|---|---|
*
|
Includes marginal access and service streets.
| |
**
|
Grades up to 15% may be permitted on a through minor street
where access to the street is possible over streets with 10% or less
grade.
|
Street Type
|
Minimum Center Line Radii
(feet)
| |
---|---|---|
Minor street*
|
150
| |
Cul-de-sac street
|
150
| |
Collector street
|
300
| |
Major street
|
500
|
NOTE:
| ||
---|---|---|
*
|
Includes marginal access and service streets.
|
Street Type
|
Minimum Sight Distance
(feet)
| |
---|---|---|
Minor street*
|
100
| |
Cul-de-sac street
|
100
| |
Collector street
|
200
| |
Major street
|
350
|
NOTE:
| ||
---|---|---|
*
|
Includes marginal access and service streets.
|
Street Type
|
Curb Radii
(feet)
| |
---|---|---|
Minor streets*
|
20
| |
Cul-de-sac street
|
20
| |
Collector street
|
30
| |
Major street
|
40
|
NOTE:
| ||
---|---|---|
*
|
Includes marginal access and service streets.
|
Botanical Name
|
Common Name
| |
---|---|---|
Acer rubrum
|
Red maple
| |
Acer saccharum
|
Sugar maple
| |
Fagus grandifolia
|
American beech
| |
Fagus sylvatica
|
European beech
| |
Fraxinus americana
|
White ash
| |
Fraxinus pennsylvanica lanceolata
|
Green ash
| |
Gleditsia triacanthos inermis
|
Honey locust
| |
Platanus acerifolia
|
London planetree
| |
Quercus alba
|
White oak
| |
Quercus rubra
|
Red oak
| |
Quercus coccinea
|
Scarlet oak
| |
Quercus palustris
|
Pin oak
| |
Quercus phellos
|
Willow oak
| |
Robinia pseudoacacia inermis
|
Black Locust
| |
Styphnolobium japonicum
|
Sophora japonica
| |
Zelkova serrata
|
Japanese Zelkova
|
Botanical Name
|
Common Name
| |
---|---|---|
Amelanchier canadensis
|
Shadblow serviceberry
| |
Cornus florida
|
Flowering dogwood
| |
Cornus kousa
|
Kousa dogwood
| |
Cornus mas
|
Cornelian-cherry dogwood
| |
Koelreuteria paniculata
|
Golden rain tree
| |
Laburnum vossi
|
Golden chain
| |
Magnolia x soulangeana
|
Saucer magnolia
| |
Malus baccata
|
Siberian crabapple
| |
Malus floribunda
|
Japanese flowering crabapple
| |
Malus hopa - Hopa Red
|
Hopa flowering crabapple
| |
Oxydendrum arboreum
|
Sourwood
| |
Prunus serrulata
|
Kwanzan cherry
| |
Prunus x yedoensis
|
Yoshino cherry
|
Botanical Name
|
Common Name
| |
---|---|---|
Ilex opaca
|
American holly
| |
Picea abies
|
Norway spruce
| |
Picea omorika
|
Serbian spruce
| |
Picea pungens
|
Colorado spruce
| |
Pinus nigra
|
Austrian pine
| |
Pinus strobus
|
Eastern white pine
| |
Pinus thunbergii
|
Japanese black pine
| |
Pseudotsuga menziesii
|
Douglas fir
| |
Tsuga caroliniana
|
Carolina hemlock
| |
Tsuga canadensis
|
Canada hemlock
|
Botanical Name
|
Common Name
| |
---|---|---|
Forsythia x intermedia
|
Border forsythia
| |
Rhamnus frangula columnaris
|
Tallhedge buckthorn
| |
Syringa x chinensis
|
Chinese lilac
| |
Syringa vulgaris
|
Common lilac
| |
Viburnum alatus
|
Vibumum
|
Botanical Name
|
Common Name
| |
---|---|---|
Hamamelis vernalis
|
Vernal witchhazel
| |
Hamamelis virginiana
|
Common witchhazel
| |
Ilex verticillata
|
Winterberry
| |
Juniper virginiana
|
Upright juniper
| |
Rhamnus frangula
|
Glossy buckthorn
| |
Taxus capitata
|
Japanese yew
| |
Taxus x media 'hicksii'
|
Hicks yew
| |
Viburnum dentatum
|
Arrowwood viburnum
| |
Viburnum lantana
|
Wayfaring tree viburnum
|
Botanical Name
|
Common Name
| |
---|---|---|
Acer campestre
|
Hedge maple (50)
| |
Acer rubrum
|
Red maple (50)
| |
Acer saccharum
|
Sugar maple (50)
| |
Fraxinus pennsylvanica
|
Green ash/red ash (nonfruiting) (50)
| |
Gleditsia triancanthos inermis
|
Thornless Honeylocust (40)
| |
Koelreutaria paniculata
|
Panicled goldenrain tree (40)
| |
Prunus sargentii*
|
Sargent cherry (40)
| |
Pyrus calleryana cv. Chanticleer*
|
Chanticleer pear (30)
| |
Pyrus calleryana cv. Cleveland Select*
|
Cleveland pear (30)
| |
Pyrus calleryanna cv. Red Spire*
|
Red spire pear (30)
| |
Quercus rubra
|
Red oak (40)
| |
Quercus palustris
|
Pin oak (40)
| |
Quercus phellos
|
Willow oak (40)
| |
Quercus robur*
|
English oak (40)
| |
Tilia cordata
|
Littleleaf linden (50)
| |
Tilia tomentosa
|
Silver linden (50)
| |
Zelkova serrata cv. Village Green*
|
Japanese zelkova (50)
|
NOTES:
| ||
---|---|---|
*
|
Indicates that these specific species are particularly well-suited
for use as street trees since their root systems are characterized
by a single taproot and minimal spread.
|
Botanical Name
|
Common Name
| |
---|---|---|
Abelia x grandiflora
|
Glossy abelia
| |
Amelanchier alnifolia
|
Serviceberry
| |
Azalea carolinianum
|
Carolina azalea
| |
Azalea 'Exbury Hybrids'
|
Exbury azalea
| |
Azalea mucronulatum 'Cornell Pink'
|
Cornell Pink azalea
| |
Azalea 'Northern Lights'
|
Northern Lights azalea
| |
Buxus microphylla
|
Littleleaf boxwood
| |
Buxus microphylla 'Green Beauty'
|
Green Beauty boxwood
| |
Buxus microphylla japonica
|
Japanese boxwood
| |
Buxus microphylla koreana
|
Korean boxwood
| |
Buxus sempervirens 'Suffruticosa'
|
Edging boxwood
| |
Callicarpa dichotoma
|
Chinese beautyberry
| |
Carex morrowii 'Variegate'
|
Variegated Japanese sedge
| |
Chaenomeles japonica
|
Japanese flowering quince
| |
Chamaecyparis obtusa 'Nana Gracilis'
|
Dwarf Hinoki false cypress
| |
Cletra alnifolia
|
Summersweet
| |
Cornus sericea
|
Red twig dogwood
| |
Cornus mas
|
Cornelian cherry
| |
Cornus racemosa
|
Gray dogwood
| |
Cornus sericea 'Flaviramea'
|
Yellow twig dogwood
| |
Cotoneaster apiculatusi
|
Cranberry cotoneaster
| |
Cotoneaster horizontalis
|
Rockspray cotoneaster
| |
Daphne x burkwoodii 'Carol Mackie'
|
Carol Mackie daphne
| |
Deutzia gracilis
|
Slender deutzia
| |
Euonymus kiautschovicus 'Manhattan'
|
Manhattan spreading euonymus
| |
Forsythia x intermedia
|
Border forsythia
| |
Fothergilla major
|
Large fothergilla
| |
Gardenia jasminoides
|
Gardenia
| |
Hamamelis virginiana
|
Common witchhazel
| |
Hibiscus syriacus
|
Rose of Sharon
| |
Hydrangea arborescens 'Annabelle'
|
Annabelle hydrangea
| |
Hydrangea macrophylla 'Nikko Blue'
|
Nikko Blue hydrangea
| |
Hydrangea arborescens grandiflora
|
Hills of Snow hydrangea
| |
Hydrangea quercifolia
|
Oakleaf hydrangea
| |
Ilex glabra 'Compacta'
|
Inkberry
| |
Ilex cornuta 'Bufordii Nana'
|
Dwarf burford holly
| |
Ilex cornuta 'Carissa'
|
Chinese holly
| |
Ilex crenata 'Compacta'
|
Compact Japanese holly
| |
Ilex crenata 'Green Lustre'
|
Green Lustre Japanese holly
| |
Ilex crenata 'Helleri'
|
Heller Japanese holly
| |
Juniperus chinensis 'Sea Green'
|
Sea Green juniper
| |
Juniperus chinensis 'Parsonii'
|
Parson's juniper
| |
Juniperus horizontalis plumose
|
Andorra juniper
| |
Juniperus procumbens
|
Japanese garden juniper
| |
Juniperus Sabina 'Tamariscifolia'
|
Tam juniper
| |
Juniperus squamata 'Blue Star'
|
Blue Star juniper
| |
Kalmia latifolia
|
Mountain laurel
| |
Leucothoe fontanesiana
|
Drooping leucothoe
| |
Ligustrum x vicaryi
|
Golden vicary privet
| |
Mahonia aquifolium
|
Oregon grape mahonia
| |
Myrica pensylvanicai
|
Northern bayberry
| |
Pennisetum alopecuroides
|
Fountain grass
| |
Picea abies 'Nidiformis'
|
Bird's Nest spruce
| |
Picea glauca 'Conica'
|
Dwarf Alberta spruce
| |
Pieris floribunda
|
Mountain pieris
| |
Pinus mugo
|
Mugo pine
| |
Photinia x fraseri
|
Redtip photinia
| |
Potentilla fruticosa
|
Shrubby cinquefoil
| |
Potentilla fruticosa
|
Potentilla (cinquefoil)
| |
Prunus glandulosa
|
Flowering almond
| |
Prunus glandulosa 'Roses'
|
Dwarf flowering almond
| |
Prunus laurocerasus 'Otto Luyken'
|
Otto Luyken laurel
| |
Pyracantha angustifolia 'Yukon Belle'
|
Yukon Belle firethorn
| |
Rhododendron calendulaceum
|
Torch azalea
| |
Rhododendron catawbiense
|
Catawba rhododendron
| |
Rhododendron x kosteranum
|
Mollis azalea
| |
Rhododendron obtusum 'Kurume'
|
Kurume azalea
| |
Rhododendron poukhanense hybrid
|
Gable azalea
| |
Rosa 'Betty Prior'
|
Betty Prior rose
| |
Rosa Carefree Beauty
|
Carefree Beauty rose
| |
Rosa 'Fru Dagmar Hastrup'
|
Fru Dagmar Hastrup rose
| |
Rosa 'Graham Thomas'
|
Graham Thomas rose
| |
Rosa 'Iceberg'
|
Iceberg rose
| |
Rosa 'Margo Koster'
|
Margo Koster rose
| |
Rosa 'Peace'
|
Peace rose
| |
Rosa 'Pink Meidiland'
|
Pink Meidiland rose
| |
Rosa 'The Fairy'
|
The Fairy rose
| |
Rosa rubrifolia
|
Rosa rubrifolia
| |
Skimmia japonica
|
Japanese skimmia
| |
Spiraea bumalda 'Anthony Waterer'
|
Anthony Waterer spirea
| |
Spiraea bumalda 'Froebelii'
|
Frobel spirea
| |
Spiraea prunifolia
|
Bridalwreath spirea
| |
Spiraea thunbergii
|
Baby's Breath spirea
| |
Spiraea x vanhouttei
|
Vanhoutte spirea
| |
Symphoricarpos albus
|
Snowberry
| |
Symphoricarpos orbiculatus
|
Coralberry
| |
Syringa x laciniata
|
Cutleaf lilac
| |
Syringa patula 'Miss Kim'
|
Miss Kim lilac
| |
Syringa x persica
|
Persian lilac
| |
Syringa vulgaris
|
Common lilac
| |
Taxus canadensis
|
Canada yew
| |
Taxus x media 'Hicksii'
|
Hicks upright yew
| |
Thuja occidentalis 'Little Giant'
|
Little Giant arborvitae
| |
Viburnum carlesii
|
Korean Spice viburnum
|
Density
(dwelling units per acre)
|
Percent of Tract
| |
---|---|---|
1 to 3
|
5%
| |
3.1 to 6
|
10%
| |
6.1 to 10
|
15%
| |
10.1 to 15
|
20%
| |
Over 15
|
25%
|
Unit Type
|
Open Space Required
| |
---|---|---|
Single-family
|
50 units or more
| |
Townhouse and multifamily
|
Densities in excess of four dwelling units per acre involving
20 or more units
|