§ 22-721. Buffer Yards and Screens .

   1.   Buffer yards and screens shall be designed in accordance with Part 11 of this Chapter.

   2.   A buffer yard of not less than 20 feet shall be provided by a nonresidential use or multi-family use or multi-family use with abutting a residential district or single- family residential use. The buffer yard width shall be as designated in Part 11 of this Chapter and shall be measured from the property line.

   3.   Buffer yards required in subsection .1, above, shall include screening for the full length of the buffer yard.

   4.   Buffer yards shall not be used for parking, unless otherwise allowed by the district regulations.

   5.   Buffer yards shall be maintained along the property line, excluding front property line, except on reverse frontage lots.

(Ord. 2011-05, 3/14/2011, § 721)

Table 22-7-1
Street Design Standards

	ARTERIAL			COLLECTOR			LOCAL		CUL-DE-SAC2
	Urban Principal	Urban Minor	Rural Minor	Urban	Rural Major	Rural Minor	Urban	Rural	Urban	Rural
Minimum Right-of-Way Width (ft)	80*	80*	80*	60	60	60	50	50	50	50
Minimum Street Width (ft) (inc. shoulder)	40	40	36	33	28	28	36	28	36	28
Minimum Shoulder Width (ft) (each side)	8	8	8	8	4	4	8	4	8	4
Maximum Grade (%)	6	6	61	10	10	11	12	11	12	121
Minimum Grade (%)	0.50	0.50	0.50	1.0	1.0	1.0	1.0	1.0	1.0	1.0
Minimum Radius of Curve @Center Line (ft)	*	*	*	300	300	300	200	200	100	100
Minimum Tangent Length Between Curves (ft)	*	*	*	100	100	100	—	—	—	—
Cross Slope (%): Cartway Shoulder	2 6	2 6	2 6	2 6	2 6	2 6	2 6	2 6	2 6	2 6
Curb	Required	Required	**	Required	**	**	Required	**	Required	**
Sidewalks: Both Sides	Required	Required	**	Required	**	**	Required	**	Required	**

 

1   -   For tangent grades less than 500 feet, maximum grades may be increased by 1%.

2   -   Cul-de-sac’s require specific authorization from the Board of Supervisors.

*   -   Subject to PennDOT review and concurrence.

**   -   Shall be optional.

NOTE-1:   See § 22-703.H for a description of the urban and rural street designations.

NOTE-2:   Where curbing is proposed for rural streets, the urban design criteria shall be used.

Table 22-7-2
Intersection Design Standards

Type of Intersection	Arterial* With Arterial	Arterial* With Collector	Collector With Collector	Collector With Local Access	Local Access1 With Local Access
Maximum Number of Intersecting Streets At Each Junction	2	2	2	2	2
Minimum Center Line Offset At Intersections Opening At Opposite Sides of an Existing or Proposed Street (ft)	*	400	400	200	200
Angle of Intersection of Street Center Lines (degrees)	90	90	90	(Shall not deviate more than 15 from perpendicular)
Length (ft) and Maximum Grade (%)2 of Approaches to Intersections Where General Grade is 6% or More	*	100/4	75/4	75/4	50/4
			(Measured from the Intersecting Cartway Lines)
Minimum Radius of Curbs at Intersection of Streets	50	50	35	35	35
Intersection Clear Sight Triangle Each Center Line Leg (ft)	*	150	75	75	75
Block Length Maximum (ft)	*	1,200	1,200	1,200	1,200

 

*   Subject to PennDOT review and concurrence.

1   Marginal access streets have same requirements as local access streets.

2   Maximum grade is for intersecting (stop controlled) streets. Through streets are subject to grade restrictions in Table 22-7-1.