Type of Street
| |||||
---|---|---|---|---|---|
Principal and
Primary Arterials
|
Standard Arterials
and Collectors
|
Local
|
Marginal Access
| ||
Minimum right-of-way width in feet
|
120
|
80
|
66
|
50
| |
Minimum radius of curvature of center line in feet
|
450
|
250
|
150
| ||
Minimum curb face-to-face width in feet
|
40
|
36
|
32
|
26
| |
Minimum length of vertical curves as compared to geometric change
in grade
|
30 X
|
20 X
|
10 X
|
10 X
| |
Maximum grade
|
6%
|
8%
|
10%
|