A. Visibility Required: To safeguard against vehicular, bicycle, and pedestrian collisions caused by visual obstructions at street and alley intersections, and at any point where a driveway intersects a street or alley, there shall be no visual obstruction within the clear sight triangle established in this section. Such space shall be kept free of buildings, structures, and landscaping that constitutes a visual obstruction. In hillside areas, clear sight triangle shall include such grading as may be necessary to provide for reasonable intersection visibility.
B. Clear Sight Triangle Described: The clear sight triangle is defined as:
1. The triangular shaped area on a corner lot, or at a point where a driveway intersects a street, formed by measuring the prescribed distance from the intersection of the front (or rear) and street side property lines at an intersecting street or alley, and connecting the lines diagonally across the property making a ninety degree (90°) triangle; and
2. The triangular shaped area on each side of any driveway intersecting a street or alley.
FIGURE 3-1
CLEAR SIGHT TRIANGLE GRAPHIC
C. Clear Sight Triangle Required Dimensions: Table 3-2, "Clear Sight Triangle Required Dimensions", of this section identifies the required dimensions for a clear sight triangle:
TABLE 3-2
CLEAR SIGHT TRIANGLE REQUIRED DIMENSIONS
Type Of Intersection | Required Dimension For A Clear Sight Triangle | |
Standard Lot | Irregular Lot With No Intersection Visibility | |
Street right of way and alley | 15 feet | 17 feet |
2 intersecting alleys | 15 feet | 17 feet |
Street right of way and driveway | 10 feet | 17 feet |
Street and street | 30 feet | 35 feet |
D. Maximum Height Requirement: The following shall not be erected, placed, or planted, or allowed to grow over thirty inches (30") in height above the nearest street curb elevation within a clear sight triangle:
1. Fences and walls.
2. Signs, see also chapter 9.36, "Sign Regulations", of this article 3.
3. Structures.
4. Mounds of earth.
5. Other visual obstructions.
E. Exceptions: The requirements for clear sight triangle shall not apply to:
1. Traffic safety devices.
2. Trees trimmed from the ground surface up to eight feet (8') above the adjoining curb.
3. Utility poles.
4. Other utility installed or maintained devices allowed by this development code.
5. Freestanding sign when the lower edge of the sign face is at least eight feet (8') above grade and where there are no more than two (2) posts or columns, each with a maximum width or diameter of twelve inches (12"), supporting the sign.
F. Prohibited:
Political signs.
Real estate signs.
Sign twirlers. (Ord. 254, 12-16-2014)