12-4-13: TABLES:
   TABLE 1
   DESIGN STANDARDS FOR ROADS
Roads:
 
Minimum right-of-way width and minimum surface width:
 
 
 
Standards for minimum right-of-way width and minimum surfaced width can be found in the typical street cross-sections contained in the 2018 Transportation System Plan
 
Maximum grade (percent):
 
 
 
Arterial street
8
 
 
Collector street
10
 
 
Local street
12
 
Minimum grade
0.5
 
Minimum radius of curve (in feet):
 
 
 
Arterial street
400
 
 
Collector street
300
 
 
Local street
200
Residential:
 
 
Minimum length of tangents between reverse curves (in feet):
 
 
 
Arterial street
300
 
 
Collector street
200
 
 
Local street
100
 
Minimum sight distance (in feet):
 
 
 
Arterial street
275
 
 
Collector street
200
 
 
Intersection
Across corners, 75 feet back
 
 
Local street
150
 
Cul-de-sac maximum length (in feet) 1
200
 
Cul-de-sac radius (in feet)
35
 
Design speed (miles per hour):
 
 
 
Arterial street
40
 
 
Collector street
35
 
 
Local street
25
 
Width of accessway
10
 
 
Where emergency vehicle access is required
20
 
 
(Accessways shall be provided connecting the ends of cul-de-sacs to each other, to other streets, or to neighborhood activity centers. Accessways for pedestrians and bicyclists shall be 10 feet wide and located with within a 20 foot wide right-of-way or easement. Stairs or switchback paths may be used where grades are steep.)
 
Minimum length of vertical curves:
 
 
 
Arterial street
300 feet, but not less than 50 feet for each algebraic difference in grade
 
 
Collector street
200 feet, but not less than 50 feet for each 1 percent
 
 
Local street
100 feet, but not less than 20 feet for each algebraic difference in grade
 
Minimum asphalt depths:
 
 
 
Arterial street
4 inches
 
 
Collector street
3 inches
 
 
Local street
3 inches
 
Note:
    1.    Planning Commission may allow longer lengths.
   TABLE 2
   SIDEWALKS REQUIRED
See the 2018 Transportation System Plan.
   TABLE 3
   TABLE OF RECREATION REQUIREMENTS1
 
Size Of Lot
Percentage Of Total Land In Subdivision To Be Reserved For Recreation Purposes
40,000 square feet or larger
2.0 percent
20,000 square feet
4.0 percent
10,000 square feet or less
8.0 percent
 
Note:
    1.    Calculation on the basis of 2 acres per 100 dwelling units.
   TABLE 4
   CURB STANDARDS
 
(Ord. 512-96, 1-8-1996; amd. Ord. 542, 8-11-2003; Ord. 582-18, 10-8-2018)