76-143 - Boundary line oblique to streets LAST AMENDED 12/15/1961 In cases where a boundary line is shown having a position oblique to the #streets# bounding the #block# in which it is located, it shall (unless otherwise fixed) be considered to be the bisector of the angle formed by the intersection of lines 100 feet from and parallel to each of said bounding #streets#, this distance being measured at right angles to said #street lines#.