Every vehicle standing or parked upon a one-way highway
shall be positioned parallel to the curb or edge of the highway in
the direction of authorized traffic movement with its right-hand wheels
within 12 inches of the right-hand curb or, in the absence of a curb,
as close as practicable to the right edge of the right-hand shoulder,
or with its left-hand wheel within 12 inches to the left-hand curb
or, in the absence of a curb, as close as practicable to the left
edge of the left-hand shoulder.