Min. Pavement
| |||||||
---|---|---|---|---|---|---|---|
R/W Width
(feet)
|
Min. C/L Radius
(feet)
|
Max. Grade
|
Class I Min. Urban Street Width1
(feet)
|
Class II Min. Rural Street Width2
(feet)
|
Thickness Surface Course
(inches)
|
Base Course3
(inches)
| |
Arterial
|
80
|
300
|
5%
|
45
|
40
|
3
|
12
|
Collector
|
70
|
200
|
7%
|
41
|
32
|
3
|
12
|
Minor
|
70
|
100
|
10%
|
37
|
24
|
3
|
12
|
NOTES:
|
---|
1 Street
width shall be measured from back of curb to back of curb. Curb and
gutter shall be two feet zero inches wide and be constructed of unreinforced
concrete.
|
2 Street
width shall be measured from edge of pavement to edge of pavement.
Minimum four-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.
|
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
|