18.40.030 Intersection corner rounding.
Whenever an arterial street or state highway intersects any other street or highway, the property lines at each block corner shall be rounded with a curve having a radius of not less than thirty feet. On all other street intersections, the property line at each block corner shall be rounded with a curve having a radius of not less than twenty feet. In either case, a greater. curve radius may be required if streets intersect other than at right angles.