Class I
|
Class II
|
Minimum Pavement Thickness
| |||||
---|---|---|---|---|---|---|---|
R/W Width
(feet)
|
Minimum C/L Radius
(feet)
|
Maximum Grade
|
Minimum Urban Street Width1
(feet)
|
Minimum Rural Street Width2
(feet)
|
Surface Course
(inches)
|
Base Course3
| |
Arterial
|
80
|
300
|
5%
|
45
|
40
|
3 1/2
|
*
|
Collector
|
70
|
200
|
7%
|
41
|
32
|
3 1/2
|
*
|
Local
|
70
|
100
|
10%
|
31
|
22
|
3 1/2
|
*
|
NOTES:
| |
---|---|
1
|
Street width shall be measured from back of curb to
back of curb. Curb and gutter shall be two feet six inches wide and
be constructed of reinforced concrete.
|
2
|
Street width shall be measured from edge of pavement
to edge of pavement. Minimum two-foot-wide gravel shoulder shall be
provided on each side of street.
|
3
|
Soil borings may indicate a thicker base course and/or
geotextile fabric is needed for arterial and collector streets.
|
*
|
Requirements per Town Standard Specifications Manual.
|
Type
|
Dead End
|
Curving
|
Straight
| |
---|---|---|---|---|
Short streets
|
Place or court
|
Crescent, way, circle or lane
|
Terrace, row or lane
| |
Long streets
|
Drive or road
|
Street or avenue
|