Article 11-1101-Site Triangle.ARTICLE 11 SUPPLEMENTARY DISTRICT REGULATIONS
SECTION 1101 VISIBILITY AT INTERSECTIONS
Sight Triangle Easement:
On a corner lot in all districts, except the CCB Central Business District, continuous unobstructed
sight distance shall be provided for safe traffic operations. The sight triangle consists of the area
measured along the curb or outside lane of a street, beginning at the point where the two curb lines
would intersect perpendicularly. No obstruction, including fences, hedges, walls, shrubbery or other
manmade or natural obstructions shall exist between a height of two and one-half (2 1/2) feet and ten
(10) feet within a sight triangle of the following dimensions as set forth in the table below using the
diagram shown below and incorporated by this reference herein. The two and one-half (2 1/2) foot
height restriction shall be measured from the center of the street with the lowest elevation within the
boundary of the sight triangle. The ten (10) foot height restriction shall be measured from the center
of the street with the highest elevation within the boundary of the sight triangle. For irregular street
intersections which are not perpendicular for two hundred (200) feet, the following dimensions shall
be doubled.
*All Local to Collector, Local to Arterial, Collector to Arterial and Arterial to Arterial should
be controlled by stop signs and traffic signals.
Source: The Illustrated Book of Development Definitions, (Moskowitz, Harvey and Carl Lindbloom, 1995).
City of Blair Zoning Regulations Article 11, Section 1101, page 1
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City of Blair Zoning Regulations Article 11, Section 1101, page 2