The number of driveways permitted from any lot to any abutting
road shall be in accordance with the following standards, except where
conditions of safety of the general motoring public may be impaired:
A. Single-family residence zones.
|
Lot Width
|
Permitted Number of Driveways
|
---|
|
Up to 200 feet
|
1
|
|
200 feet or more
|
2
|
|
Circular driveways containing two driveway openings may be constructed
on lots containing a width of 200 feet or more.
|
B. All other zone districts. In determining the number of driveways to be permitted in all other zone districts, the requirements for development set forth in Chapter
550, Zoning, shall be considered as minimum requirements and at the time of site plan review, proposed driveway locations shall be reviewed in accordance with the site plan review standards, taking into consideration, to be applied where appropriate, the county standards for access to county roads.
Exit driveways shall be designed in profile, grading and location
to permit the following minimum sight distances measured in each direction
along the intersecting roads. Sight distances shall be measured from
a point 3 1/2 feet above the center line of the proposed driveway,
10 feet from the edge of the road, to a point 3 1/2 feet above
the center line of the approaching lane of the intersecting roadway.
There shall be a one-foot sight distance clearance between the measured
sight line and the finished grade. All necessary grading and removal
of vegetation within the sight triangle shall conform to the following
criteria:
Design Speed of Roadway
(mph)
|
Required Sight Distance
(feet)
|
---|
20
|
120
|
25
|
150
|
30
|
200
|
35
|
250
|
40
|
325
|
50
|
475
|
All driveways constructed or altered within 50 feet of the center
line of the road shall intersect the abutting road at an angle as
near to 90° as sight conditions will permit but in no case less
than 70°.