[Ord. No. 1-2024, 4/15/2024]
The standards and requirements contained in this Part shall apply as minimum design standards for subdivision and/or land developments in the Township.
Table 5.1 - Right-of-Way and Cartway Width Standards | ||||||||
|---|---|---|---|---|---|---|---|---|
Streets Without Curbs | Streets With Curbs | |||||||
Street Classification | Right-of-Way Width | No. of Travel Lanes | Travel Lane Width | Paved Shoulder Width - No Parking2 | Paved Shoulder Width - Parallel Parking2 | Travel Lane Width | Paved Shoulder Width - No Parking2 | Paved Shoulder Width - Parallel Parking2 |
Arterial | Arterial roads shall be designed in accordance with PennDOT Publication 13M standards | |||||||
Collector | 60 | 2 | 11 | 6 | 8 | 11 | 4 | 8 |
Local1 | 50 | 2 | 10 | 4 | 7 | 10 | 4 | 7 |
Alley | 33 | 1 | 16 | N/A | N/A | 16 | N/A | N/A |
Notes: | ||||||||
1 | For cul-de-sac streets, the right-of-way width shall be 100 feet and the cartway width shall be 80 feet at the turnaround. | |||||||
2 | Additional shoulder width may be required for bicycle lanes when required by the Township. | |||||||
Table 5.2 - Vertical Curve Rate of Vertical Curvature "K" Standards | ||
|---|---|---|
Design Speed (in miles per hour) | "K" Crest Vertical Curves | "K" Sag Vertical Curves |
20 | 10 | 20 |
25 | 20 | 30 |
30 | 30 | 40 |
35 | 45 | 50 |
40 | 70 | 70 |
45 | 100 | 90 |
50 | 150 | 110 |
55 | 220 | 130 |
Table 5.3 - Minimum Intersection Separation Distances | |
|---|---|
Through Street Classification | Minimum Intersection Separation Distance |
Arterial | 400 feet |
Collector | 400 feet |
Local | 150 feet |
Table 5.4 Land Uses with Infrequent Service by Buses and Combination Trucks | ||||
|---|---|---|---|---|
Posted Speed Limit of Street Being Accessed | ||||
Less than 45 mph | 45 mph and greater | |||
Driveway Type | Min. Radii | Max. Radii | Min. Radii | Max. Radii |
Minimum Use | 5 | 15 | 10 | 25 |
Low Volume | 10 | 15 | 15 | 25 |
Medium Volume | 15 | 30 | 15 | 50 |
High Volume | 30 | 50 | 40 | 50 |
Table 5.5 Land Uses with Regular Service by Buses and Combination Trucks | ||||
|---|---|---|---|---|
Posted Speed Limit of Street Being Accessed | ||||
Less than 45 mph | 45 mph and greater | |||
Driveway Type | Min. Radii | Max. Radii | Min. Radii | Max. Radii |
Minimum Use | 35 | 50 | 40 | 55 |
Low Volume | 35 | 50 | 45 | 55 |
Medium Volume | 45 | 55 | 50 | 55 |
High Volume | 45 | 55 | 50 | 55 |
Table 5.6 - Driveway Throat Width | |||
|---|---|---|---|
One Lane | Two Lanes | Three Lanes1 | |
Minimum | 10 feet | 20 feet | 30 feet |
Maximum | 24 feet | 28 feet | 40 feet |
Note: | |
1 | Engineering judgment shall be used to determine appropriate throat widths for driveways with more than three lanes. |
Table 5.7 - Minimum Driveway Throat Length | |
|---|---|
Driveway Type | Length |
Minimum use | 25 feet |
Low volume | 50 feet |
Medium volume | 120 feet |
High volume | 150 feet |
Table 5.8 - Driveway Spacing | |
|---|---|
Posted Speed (mph) | Minimum Spacing (feet) |
30 | 200 |
35 | 250 |
40 | 300 |
45 | 360 |
50 | 425 |
55 | 490 |
Table 5.9 - Driveway Corner Clearance | |
|---|---|
Posted Speed (mph) | Minimum Clearance (feet) |
30 | 200 |
35 | 250 |
40 | 300 |
45 | 360 |
50 | 425 |
55 | 490 |
Table 5.10 - Minimum Deceleration Lane Length | |
|---|---|
Speed (mph) | Deceleration Length (feet) |
35 | 220 |
40 | 275 |
45 | 360 |
50 | 425 |
55 | 510 |
Table 5.11 - Adjustment Factors for Deceleration Lane Lengths | ||
|---|---|---|
Slope | Upgrade | Downgrade |
3% to 4% | .9 | 1.2 |
5% to 6% | .8 | 1.35 |