Discretionary increase in certain highway funding for population growth

(a) In general Section 104(c)(1) of title 23, United States Code, is amended— (1) in subparagraph (B)— (A) by striking clause (i); and (B) by redesignating clauses (ii) and (iii) as clauses (i) and (ii), respectively; and (2) by adding at the end the following: (C) Discretionary increase in amounts for population growth In addition to the amounts described in subparagraphs (A) and (B), the Secretary may provide an additional amount to each State that has increased in population since the previous decennial census conducted under section 141(a) of title 13, United States Code, in a proportion based on the relative increase in each such population, as determined appropriate by the Secretary.. (b) Applicability The amendments made by subsection (a) shall apply beginning with the first fiscal year beginning after the date of enactment of this Act.