This chapter shall take effect from and after May
29, 1967, except those parts, if any, which are subject to approval
under § 1684 of the Vehicle and Traffic Law and § 46
of the Highway Law of the State of New York.
Any part or parts of this chapter which are subject
to approval under § 1684 of the Vehicle and Traffic Law
and § 46 of the Highway Law of the State of New York shall
take effect from and after the day on which approval, in writing,
is received from both the New York State Traffic Commission and the
New York State Department of Public Works.