; and (II) if the Governors do not make the determination under subclause (I) by the date that is 30 days after the date on which a grant is awarded, the Secretary shall make the determination. (ii) International crossings For purposes of subparagraph (A), in the case of a project that involves an international crossing, the Secretary shall determine the amount that shall be attributable to the State in which the crossing originates. (2) Treatment of projects Notwithstanding any other provision of law, a project under this section shall be treated as a highway project on a Federal-aid highway under this chapter. (t) Authorization of appropriations There is authorized to be appropriated out of the Highway Trust Fund (other than the Mass Transit Account) to carry out this section $7,500,000,000 for each of fiscal years 2018 through 2027. . (b) Clerical amendment The analysis for chapter 1 of title 23, United States Code, is amended by inserting after the item relating to section 123 the following: 124. Bridge investment program. .