Subdivision of Land
Design Standards for New Streets | ||||
|---|---|---|---|---|
Residential Streets | Business Streets | |||
Minimum right-of-way width (feet) | ||||
Minor street | 50 | 60 | ||
Collector street | 60 | 70 | ||
Minimum traveled way width (feet) | ||||
Minor street | 24 | 40 | ||
Collector street | 30 | 48 | ||
Maximum grade | ||||
Minor street | 10% | 8% | ||
Collector street | 8% | 6% | ||
Turnaround | 5% | 3% | ||
Minimum grade | 1 to 1 1/2% | 1 to 1 1/2% | ||
Minimum center-line radius of horizontal curves (feet) | ||||
Minor street | 200 | 250 | ||
Collector street | 350 | 400 | ||
Minimum right-of-way radius at intersections (feet) | ||||
Minor street | 25 | 30 | ||
Collector street | 30 | 35 | ||
Minimum pavement radius at intersections (feet) | ||||
Minor street | 15 | 20 | ||
Collector street | 20 | 25 | ||
Minimum length of vertical curves (feet) | ||||
Minor street, crest curve | 100, but not less than 20, for each 1% algebraic difference in grade | |||
Minor street, sag curve | 75, but not less than 15 for each 1% algebraic difference in grade | Same as crest curve | ||
Collector street, crest curve | 150, but not less than 30 for each 1% algebraic difference in grade | |||
Collector street, sag curve | 100, but not less than 25 for each 1% algebraic difference in grade | Same as crest curve | ||
Minimum length of tangent between reverse curves (feet) | ||||
Main street | 100 | 150 | ||
Collector street | 200 | 250 | ||
Minimum diameter of turnaround right-of-way (feet) | ||||
Permanent dead-end | 120 | 130 | ||
Temporary dead-end | 100 | 110 | ||
Minimum diameter of turnaround pavement (feet) | ||||
Permanent dead-end | 95 | 110 | ||
Temporary dead-end | 80 | 95 | ||
Subdivision of Land
Design Standards for New Streets | ||||
|---|---|---|---|---|
Residential Streets | Business Streets | |||
Minimum right-of-way width (feet) | ||||
Minor street | 50 | 60 | ||
Collector street | 60 | 70 | ||
Minimum traveled way width (feet) | ||||
Minor street | 24 | 40 | ||
Collector street | 30 | 48 | ||
Maximum grade | ||||
Minor street | 10% | 8% | ||
Collector street | 8% | 6% | ||
Turnaround | 5% | 3% | ||
Minimum grade | 1 to 1 1/2% | 1 to 1 1/2% | ||
Minimum center-line radius of horizontal curves (feet) | ||||
Minor street | 200 | 250 | ||
Collector street | 350 | 400 | ||
Minimum right-of-way radius at intersections (feet) | ||||
Minor street | 25 | 30 | ||
Collector street | 30 | 35 | ||
Minimum pavement radius at intersections (feet) | ||||
Minor street | 15 | 20 | ||
Collector street | 20 | 25 | ||
Minimum length of vertical curves (feet) | ||||
Minor street, crest curve | 100, but not less than 20, for each 1% algebraic difference in grade | |||
Minor street, sag curve | 75, but not less than 15 for each 1% algebraic difference in grade | Same as crest curve | ||
Collector street, crest curve | 150, but not less than 30 for each 1% algebraic difference in grade | |||
Collector street, sag curve | 100, but not less than 25 for each 1% algebraic difference in grade | Same as crest curve | ||
Minimum length of tangent between reverse curves (feet) | ||||
Main street | 100 | 150 | ||
Collector street | 200 | 250 | ||
Minimum diameter of turnaround right-of-way (feet) | ||||
Permanent dead-end | 120 | 130 | ||
Temporary dead-end | 100 | 110 | ||
Minimum diameter of turnaround pavement (feet) | ||||
Permanent dead-end | 95 | 110 | ||
Temporary dead-end | 80 | 95 | ||