Steep Slope Category
|
Percent
|
Maximum Area of Disturbance
|
---|---|---|
Moderately steep slope
|
15 to 25%
|
60%
|
Very steep slope
|
25% or greater
|
10%
|
Street Type
|
Required Curb Radius (feet)
|
---|---|
Arterial
|
Meet PennDOT requirements
|
Collector
|
30
|
Local
|
20
|
|
Classification A
|
Classification B
|
Classification C
|
---|---|---|---|
Minimum Width at Cartway (feet)
|
9
|
12'-(1 way)
24'-(2 way)
|
12'-(1 way)
24'-(2 way)
|
Minimum Radius (feet)
|
3 to 5
|
10'-(1 way)
15'-(2 way)
|
15'
|
Maximum Grade
|
12%
|
12%-(1 way)
12%-(2 way)
|
8%
|
Maximum Change of Grade
|
10%
|
10%-(1 way)
10%-(2 way)
|
6%
|
Classification of land development or subdivision:
|
A Residential: density up to three dwelling units per acre.
|
B Residential: density in excess of three dwelling units per
acre. Nonresidential: commercial and industrial.
|