2.4.3 Parallel. Where a boundary line is shown outside of the lines of a street, railroad,
2.4.3 Parallel. Where a boundary line is shown outside of the lines of a street, railroad, or utility transmission line and approximately parallel thereto, such boundary line shall be deemed parallel to the center line thereof, and where a figure is placed upon the map between such boundary line and the street, railroad, or utility transmission line, it indicates the distance in feet of such boundary line from such center line (measured at right angles thereto, unless otherwise designated).