; (5) examine causes for blocked crossings; (6) examine the potential impacts on railroad operations of the recommendations made in the report submitted pursuant to subsection (c), including reliability of service to customers; and (7) identify practical solutions to prevent blocked crossings. (d) Report Not later than 2 years after the date of the enactment of this Act, the Secretary shall submit a report to the Committee on Commerce, Science, and Transportation of the Senate and the Committee on Transportation and Infrastructure of the House of Representatives that contains the results of the study conducted by the National Academy of Sciences pursuant to this section. (e) Funding From the amounts appropriated for fiscal year 2024 to carry out section 20108 of title 49, United States Code, the Secretary shall expend such sums as may be necessary, but not more than $2,000,000, to carry out the study required under this section. (f) Railroad Crossing Elimination Program Section 22909 of title 49, United States Code, is amended— (1) in subsection (f)(2)(C)— (A) in clause (i), by striking or after the semicolon; (B) in clause (ii), by inserting or after the semicolon at the end; and (C) by adding at the end the following: (iii) a bus route to a school or within 1 mile of a school; ; and (2) in subsection (g)— (A) by striking Except and inserting the following: (1) In general Except