that have not yet been satisfied, not later than 60 days after the date on which all obligations attached to such loan have been satisfied. 421. Section 127(l) of title 23, United States Code, is amended by adding at the end the following: (3) Additional highway segments (A) In general If any segment of highway described in clause (i) or (ii) of this subparagraph is designated as a route of the Interstate System, a vehicle that could operate legally on that segment before the date of such designation may continue to operate on that segment, without regard to any requirement under subsection (a), except that such vehicle shall not exceed a gross vehicle weight of 120,000 pounds. The highway segments referred to in this paragraph are as follows: (i) The William H. Natcher Parkway (to be designated as a spur of Interstate Route 65) from Interstate Route 65 in Bowling Green, Kentucky, to United States Route 60 in Owensboro, Kentucky. (ii) The Julian M. Carroll (Purchase) Parkway (to be designated as Interstate Route 69) in Kentucky from the Tennessee state line to the interchange with Interstate Route 24, near Calvert City. (B) Nondivisible load or vehicle Nothing in this paragraph shall prohibit the State from issuing a permit for a nondivisible load or vehicle with a gross vehicle weight that exceeds 120,000 pounds. . 422. Section 127(s) of title 23, United States Code, is amended— (1) by striking the subsection heading and inserting the following: (s) Natural Gas and Electric Battery Vehicles