Design Standards and Improvement Specifications
Type of Concrete | Strength Pounds Per Square Inch | |
|---|---|---|
Class A | 5,000 | |
Class B | 4,500 | |
Class C | 4,000 | |
Class D | 3,500 |
Allowable Speed on Municipal Street (mph) | Required Sight Distance (feet) | |
|---|---|---|
25 | 150 | |
30 | 200 | |
35 | 250 | |
40 | 300 | |
45 | 350 | |
50 | 400 |
One-Way Operation | Two-Way Operation | |||
|---|---|---|---|---|
Curbline Opening (feet) | Driveway Width (feet) | Curbline Opening (feet) | Driveway Width (feet) | |
Commercial and Industrial | ||||
24 to 50 | 18 to 34 | 24 to 50 | 24 to 46 | |
Service Station | ||||
15 to 36 | 24 to 36 | 20 to 36 | ||
Length of Site Frontage | Recommended No. of Driveways | |
|---|---|---|
100 feet or less | 1 | |
More than 100 feet to 800 feet | 2 | |
Over 800 feet | To be specified by the municipal agency upon receipt of advice of the Township Engineer |
Total Parking Spaces in Parking Area | Minimum Number of Spaces to be Provided for Physically Handicapped | |
|---|---|---|
Up to 25 | 1 | |
26 to 50 | 2 | |
51 to 75 | 3 | |
76 to 100 | 4 | |
Over 100 | 4 plus 1 for each 50 over 100 spaces |
Dwelling Units | Land | Tot Courts | Tennis Courts | Basketball Grounds | Play Fields | Multipurpose |
|---|---|---|---|---|---|---|
1 to 4 | — | — | — | — | — | — |
5 to 24 | * | 1 | — | — | — | — |
25 to 49 | * | 1 | — | 1 | — | — |
50 to 99 | * | 1 | 1 | 1 | — | — |
100 to 199 | * | 2 | 2 | 1 | — | — |
200 to 249 | * | 2 | 2 | 1 | 1 | 1 |
250 to 349 | * | 2 | 3 | 1 | 1 | 1 |
350 to 449 | * | 2 | 4 | 2 | 1 | 1 |
NOTES: | |
|---|---|
* | 0.05 acres per dwelling unit (plus 5% of the gross site area undeveloped (passive) recreation. |
Street Frontage (feet) | Maximum Height (feet) | Maximum Size of Sign Face (square feet) | Minimum Setback | |
|---|---|---|---|---|
Up to 500 | 10 | 50 | 75% of building setback | |
500 to 700 | 12 | 50 | 75% of building setback | |
Over 700 | 15 | 50 | 75% of building setback |
NOTE: | |
|---|---|
For sites with more than one use, an additional 10 square feet may be added for each additional use; provided that in no case shall any such sign exceed 100 square feet. |
Classification - Fully Developed | Range of Coefficient | |
|---|---|---|
Public parks, open space and land conservation | 0.15 to 0.30 | |
Low-density residential | 0.30 to 0.45 | |
Medium-density residential | 0.40 to 0.60 | |
High-density residential | 0.55 to 0.70 | |
Commercial and industrial | 0.60 to 0.90 | |
Pavements, roadways, shoulders | 1.00 |
Figure 8C | ||||
|---|---|---|---|---|
Schedule of Street Design Standards | ||||
Classification | ||||
Local | Collector Streets | Arterial Highways | ||
Minimum curb return radius at intersection2 | 15 feet | 25 feet | 45 feet | |
Vertical curb5 | ||||
Crest: minimum length equals 100 feet, based on stopping sight distance at design speed | ||||
Sag: minimum length equals 100 feet, based on headlight illumination and stopping sight distance at design speed | ||||
Maximum superelevation not required | -- | -- | 6% | |
Pavement cross slope minimum | 3.00%7 | 3.33%8 | 1.50%8 | |
Curb face required6 | 6 inches | 8 inches | ||
Minimum property line corner radius2 | 5 feet | 15 feet | 30 feet | |
Normal traffic capacity (ADT) | 400 | 3,000 | 10,000 | |
Minimum right-of-way width | 50 feet | 60 feet | 100 feet | |
Minimum paving width: | ||||
Two-way | 30 feet | 40 feet | 60 feet | |
One-way | 22 feet | -- | -- | |
Shoulder (or parking area width)1 | -- | -- | 2 @ 8 feet | |
Sidewalks: | ||||
Width | 4 feet | 4 feet | 4 feet | |
Setback (from face of curb) | 3 feet | 3 feet | 7 feet | |
Design speed (mph)3 | 40 | 50 | 60 | |
Minimum radius of horizontal curvature at center line | 150 feet | 500 feet | 2,000 feet | |
Minimum tangent between reverse curbs | 100 feet | 200 feet | 600 feet4 | |
Maximum longitudinal grade | 8% | 8% | 4% | |
Minimum longitudinal | ||||
Grade desirable | 0.75% | 0.75% | 0.75% | |
Absolute | 0.40% | 0.40% | 0.40% | |
Maximum longitudinal | ||||
Grade for 200 feet from each side of an intersection | 3.5% | 3.00% | -- | |
NOTES: | |
|---|---|
1 Shoulders or parking areas as may be required. | |
2 When dissimilar streets intersect, the larger radius will be used. | |
3 For sight distance and vertical curve calculation only. | |
4 As required to run our superelevation (1% per second of travel at design speed). | |
5 Not required if algebraic difference of intersecting grades does not exceed one. | |
6 Except in superelevation areas. | |
7 Six-inch crown. | |
8 Eight-inch crown. |
Design Standards and Improvement Specifications
Type of Concrete | Strength Pounds Per Square Inch | |
|---|---|---|
Class A | 5,000 | |
Class B | 4,500 | |
Class C | 4,000 | |
Class D | 3,500 |
Allowable Speed on Municipal Street (mph) | Required Sight Distance (feet) | |
|---|---|---|
25 | 150 | |
30 | 200 | |
35 | 250 | |
40 | 300 | |
45 | 350 | |
50 | 400 |
One-Way Operation | Two-Way Operation | |||
|---|---|---|---|---|
Curbline Opening (feet) | Driveway Width (feet) | Curbline Opening (feet) | Driveway Width (feet) | |
Commercial and Industrial | ||||
24 to 50 | 18 to 34 | 24 to 50 | 24 to 46 | |
Service Station | ||||
15 to 36 | 24 to 36 | 20 to 36 | ||
Length of Site Frontage | Recommended No. of Driveways | |
|---|---|---|
100 feet or less | 1 | |
More than 100 feet to 800 feet | 2 | |
Over 800 feet | To be specified by the municipal agency upon receipt of advice of the Township Engineer |
Total Parking Spaces in Parking Area | Minimum Number of Spaces to be Provided for Physically Handicapped | |
|---|---|---|
Up to 25 | 1 | |
26 to 50 | 2 | |
51 to 75 | 3 | |
76 to 100 | 4 | |
Over 100 | 4 plus 1 for each 50 over 100 spaces |
Dwelling Units | Land | Tot Courts | Tennis Courts | Basketball Grounds | Play Fields | Multipurpose |
|---|---|---|---|---|---|---|
1 to 4 | — | — | — | — | — | — |
5 to 24 | * | 1 | — | — | — | — |
25 to 49 | * | 1 | — | 1 | — | — |
50 to 99 | * | 1 | 1 | 1 | — | — |
100 to 199 | * | 2 | 2 | 1 | — | — |
200 to 249 | * | 2 | 2 | 1 | 1 | 1 |
250 to 349 | * | 2 | 3 | 1 | 1 | 1 |
350 to 449 | * | 2 | 4 | 2 | 1 | 1 |
NOTES: | |
|---|---|
* | 0.05 acres per dwelling unit (plus 5% of the gross site area undeveloped (passive) recreation. |
Street Frontage (feet) | Maximum Height (feet) | Maximum Size of Sign Face (square feet) | Minimum Setback | |
|---|---|---|---|---|
Up to 500 | 10 | 50 | 75% of building setback | |
500 to 700 | 12 | 50 | 75% of building setback | |
Over 700 | 15 | 50 | 75% of building setback |
NOTE: | |
|---|---|
For sites with more than one use, an additional 10 square feet may be added for each additional use; provided that in no case shall any such sign exceed 100 square feet. |
Classification - Fully Developed | Range of Coefficient | |
|---|---|---|
Public parks, open space and land conservation | 0.15 to 0.30 | |
Low-density residential | 0.30 to 0.45 | |
Medium-density residential | 0.40 to 0.60 | |
High-density residential | 0.55 to 0.70 | |
Commercial and industrial | 0.60 to 0.90 | |
Pavements, roadways, shoulders | 1.00 |
Figure 8C | ||||
|---|---|---|---|---|
Schedule of Street Design Standards | ||||
Classification | ||||
Local | Collector Streets | Arterial Highways | ||
Minimum curb return radius at intersection2 | 15 feet | 25 feet | 45 feet | |
Vertical curb5 | ||||
Crest: minimum length equals 100 feet, based on stopping sight distance at design speed | ||||
Sag: minimum length equals 100 feet, based on headlight illumination and stopping sight distance at design speed | ||||
Maximum superelevation not required | -- | -- | 6% | |
Pavement cross slope minimum | 3.00%7 | 3.33%8 | 1.50%8 | |
Curb face required6 | 6 inches | 8 inches | ||
Minimum property line corner radius2 | 5 feet | 15 feet | 30 feet | |
Normal traffic capacity (ADT) | 400 | 3,000 | 10,000 | |
Minimum right-of-way width | 50 feet | 60 feet | 100 feet | |
Minimum paving width: | ||||
Two-way | 30 feet | 40 feet | 60 feet | |
One-way | 22 feet | -- | -- | |
Shoulder (or parking area width)1 | -- | -- | 2 @ 8 feet | |
Sidewalks: | ||||
Width | 4 feet | 4 feet | 4 feet | |
Setback (from face of curb) | 3 feet | 3 feet | 7 feet | |
Design speed (mph)3 | 40 | 50 | 60 | |
Minimum radius of horizontal curvature at center line | 150 feet | 500 feet | 2,000 feet | |
Minimum tangent between reverse curbs | 100 feet | 200 feet | 600 feet4 | |
Maximum longitudinal grade | 8% | 8% | 4% | |
Minimum longitudinal | ||||
Grade desirable | 0.75% | 0.75% | 0.75% | |
Absolute | 0.40% | 0.40% | 0.40% | |
Maximum longitudinal | ||||
Grade for 200 feet from each side of an intersection | 3.5% | 3.00% | -- | |
NOTES: | |
|---|---|
1 Shoulders or parking areas as may be required. | |
2 When dissimilar streets intersect, the larger radius will be used. | |
3 For sight distance and vertical curve calculation only. | |
4 As required to run our superelevation (1% per second of travel at design speed). | |
5 Not required if algebraic difference of intersecting grades does not exceed one. | |
6 Except in superelevation areas. | |
7 Six-inch crown. | |
8 Eight-inch crown. |