; (iii) an underserved community or a medically underserved community; (iv) an EPA region where the EJ Index is above the national average, as determined by EJSCREEN; or (v) an environmental justice community, as documented by Federally recognized environmental justice mapping and equity screening tools; and (C) recommendations to improve the administration of this subsection. . (b) Conforming amendments Section 5337 of title 49, United States Code, is amended by striking section 5338(a)(2)(K) each place it appears and inserting section 5338(a)(2)(L) . 4. Authorizations Section 5338(a) of title 49, United States Code, is amended— (1) in paragraph (1)— (A) in subparagraph (C), by striking $13,990,000,000 and inserting $14,290,000,000 ; (B) in subparagraph (D), by striking $14,279,000,000 and inserting $14,579,000,000 ; and (C) in subparagraph (E), by striking $14,642,000,000 and inserting $14,942,000,000 ; and (2) in paragraph (2)(L)— (A) by striking $3,680,934,484 and inserting $3,980,934,484 ; (B) by striking $3,755,675,417 and inserting $4,055,675,417 ; (C) by striking $3,850,496,668 and inserting $4,150,496,668 ; and (D) by inserting and $300,000,000 for each of fiscal years 2024 through 2027 shall be available to carry out section 5337(g) after section 5337(f) .