; (b) by redesignating subsection (b) as subsection (e); and (c) by inserting after subsection (a) the following: (b) High-Speed rail technology improvements There is authorized to be appropriated to carry out section 26102 $3,000,000,000 for each of fiscal years 2021 through 2025. (c) High-Speed rail corridor development There is authorized to be appropriated to carry out section 26106 $35,000,000,000 for each of fiscal years 2021 through 2025. (d) Restriction Not more than 20 percent of the total funds made available under sections 26101 and 26106 for a fiscal year may be spent on projects or activities for higher-speed passenger trains. . 4. Transit-oriented development planning (a) Metropolitan transportation planning Section 5303 of title 49, United States Code, is amended— (1) in subsection (h)(1)— (A) in subparagraph (A), by striking and efficiency and inserting efficiency, regional land development, and economic development ; (B) in subparagraph (H), by striking ; and and inserting a semicolon; (C) in subparagraph (I), by striking the period at the end and inserting a semicolon; and (D) by adding at the end the following subparagraphs: (J) decrease user travel time, decrease cost or expenses for users and the transportation system, increase in user safety, and productivity gains for the metropolitan area calculated at present value; and (K) decrease the public health, environmental, and other economic costs of pollution and emissions. ; and (2) subsection (i)(2)(A)(ii), by inserting , and as the factors compare across transportation modes for, after relate to . (b) Statewide and nonmetropolitan transportation planning Subsection (d)(1) of section 5304 of title 49, United States Code, is amended— (1) in subparagraph (A), by striking and efficiency and inserting efficiency, regional land development, and economic development ; (2) in subparagraph (H), by striking ; and and inserting a semicolon; (3) in subparagraph (I), by striking the period at the end and inserting a semicolon