§ 155.086 DEDICATIONS AND RESERVATIONS.

   (A)   New perimeter streets. Street systems in new subdivisions shall be laid out so as to eliminate or avoid new perimeter half-streets. Where an existing half-street is adjacent to a new subdivision, the other half of the street shall be improved and dedicated by the subdivider. The Planning Commission may authorize a new perimeter street where the subdivider improves and dedicates the entire required street right-of-way width within his or her own subdivision boundaries.

   (B)   Widening and realignment of existing roads. Where a subdivision borders an existing narrow road or when the master plan, official map, or zoning setback regulations indicate plans for realignment or widening a road that would require use of some of the land in the subdivision, the applicant shall be required to improve and dedicate, at his or her expense, such areas for widening or realignment of such roads. Such frontage roads and streets shall be improved and dedicated by the applicant at his or her own expense to the full width as required by these subdivision regulations. Land reserved for any road purposes may not be counted in satisfying yard or area requirements of the Zoning Code, whether the land is to be dedicated to the municipality in fee simple or an easement is granted to the local government.

Design Standards for Roads
Development Density
Residential				Non-residential
Improvement	Low	Medium	High	Business Industrial/ Commercial
Min. Width R.O.W. (FT.)
Local Road	66	66	66	66
Collector Road	66	66	66	66
Secondary Arterial	66	66	86	86
Primary Arterial	86	100	120	120
Min. Width Traveled Route
Local Road	26W/S	30W/C	32W/C	30W/C
Collector Road	28W/S	32W/C	34W/C	40W/C
Secondary Arterial	30W/S	40W/C	44W/C	44W/C
Primary Arterial	44W/S	48W/C	48W/C	48W/C
Max. Grade %
Local Road	10%	10%	8%	6%
Collector Road	8%	8%	8%	6%
Secondary Arterial	6%	6%	6%	5%
Primary Arterial	6%	6%	6%	5%
Min. Grade %	1%	1%	1%	1%
Local Road
Collector Road
Secondary Arterial
Primary Arterial
Min. Radius of Curve (FT.)
Local Road	100	100	100	200
Collector Road	100	100	100	200
Secondary Arterial	300	300	300	400
Primary Arterial	500	500	500	500
NOTE: W/S = with shoulders (roll-type curb) W/C = with curb
Min. Length of Vertical Curves
Local Road	100 ft. but not less than 20 ft. for each algebraic difference in grade
Collector Road	100 ft. but not less than 20 ft. for each algebraic difference in grade
Secondary Arterial	200 ft. but not less than 50 ft. for each 1%
Primary Arterial	300 ft. but not less than 50 ft. for each algebraic difference in grade
Min. Length of Tangents Between Reverse Curves (FT.)
Local Road	100	100	150	200
Collector Road	100	100	150	200
Secondary Arterial	200	200	250	300
Primary Arterial	300	300	350	400
Min. Sight Distance (FT.)
Local Road	200	200	200	250
Collector Road	200	240	240	250
Secondary Arterial	275	275	300	300
Primary Arterial	275	300	300	400
Intersection	Across corners - 75 ft. back of intersection
Min. Turnaround (FT.)
Cul-de-sac (See figure following this table)
Local Road
R.O.W. Diameter	160	160	170	170
Pavement (Outside Dia.)	124	124	134	134
Center Island (Inside Dia.)	84	84	82	74
Design Speed (MPH)
Local Road	25	25	25	25
Collector Road	30	30	30	30
Secondary Arterial	40	35	35	35
Primary Arterial	40	40	40	40
Min. Length of Cul-de-sac
Permanent	Seven times average lot width and not exceeding 1,000 ft. in length
Temporary	As approved by the Planning Commission and the City Engineer
Min. Radius (FT.)
At right-of- way	25	25	30	30
At pavement	25	25	30	30

 

(Prior Code, § 1246.01)