APPENDIX A:  MINIMUM STANDARDS FOR STREET DESIGN
 
Street
Right-of- Way Width
Pavement Width*
Radius of Horizontal Curves
Length of Vertical Curves
Tangent Between Horizontal Reverse Curves
Maximum Gradient
Maximum Gradient
Clear Sight Distance
Major
100 ft.
48 ft.**
500 ft.
200 ft. a
200 ft.
5%
0.4
500 ft.
Collector
80 ft.
36 ft.
400 ft.
200 ft. b
200 ft.
5%
0.4
400 ft.
Minor
66 ft.
33 ft.
150 ft.
100 ft. b
6%
0.4
200 ft.
Cul-de- sac
66 ft.
33 ft.
150 ft.
100 ft. b
6%
0.4
200 ft.
Marginal access
44 ft.
28 ft.
400 ft.
200 ft. a
100 ft.
6%
0.4
200 ft.
In Business and Industrial Districts
80-100 ft.
54 ft.
500 ft.
200 ft. a
200 ft.
2%
0.4
500 ft.
*   Pavement widths are measured back to back of curb
**   Or two 24-foot roadways divided by a median strip
 
   (A)   50 feet for each 1% algebraic difference of grade but in no case less than 200 feet, except on sags where minimum drainage cannot be attached.
   (B)   40 feet for each 1% algebraic difference of grade but in no case less than 100 feet.
(‘70 Code, Ch. 8, Table I)  (Ord. 79-08, passed 11-26-79)