The location, names and present widths of existing
and proposed streets, highways, easements, building lines, parks and
other open spaces on or adjacent to the subdivision. The plan shall
contain sufficient data to allow the location, bearing and length
of every street line, lot line and boundary line to be readily determined
and be reproduced upon the ground. These lines shall be tied to reference
points previously established. The length of all straight lines, the
deflection angles, radii, length of curves and central angles of curves,
tangent distances and tangent bearings for each street shall be included.