Street Classification
|
Local Residential
|
Collector
|
Major
|
---|---|---|---|
Maximum width of right-of-way
|
50 feet
|
50 feet
|
60 feet
|
Minimum width of pavement (excluding
curbs or gutters)
|
24 feet
|
30 feet
|
40 feet
|
Minimum radius of horizontal curves
of street line at center line
|
100 feet
|
200 feet
|
400 feet
|
Minimum radius of tangent between reverse
curves
|
100 feet
|
200 feet
|
200 feet
|
Maximum grade
|
10%
|
8%
|
6%
|
Minimum grade
|
1%
|
1%
|
1%
|
Minimum sight distance
|
150 feet
|
250 feet
|
250 feet
|
Minimum length of vertical curves:
| |||
Local street
|
100 feet, but not less than 20 feet
for each 1% algebraic difference in grade.
| ||
Collector street
|
150 feet, but not less than 30 feet
for each 1% algebraic difference in grade.
| ||
Major road
|
200 feet, but not less than 50 feet
for each 1% algebraic difference in grade.
|