; and (C) by adding at the end the following: (3) 2 percent of the total amount apportioned under this subsection shall be apportioned so that each urbanized area with a population of at least 200,000 and less than 500,000 is entitled to receive an amount using the formula in paragraph (1). (4) For fiscal year 2022, the percentage— (A) in paragraph (1) in the matter preceding subparagraph (A) shall be treated as 100 percent; (B) in paragraph (2) in the matter preceding subparagraph (A) shall be treated as 0 percent; and (C) in paragraph (3) shall be treated as 0 percent. ; and (3) by adding at the end the following: (k) Peak revenue service defined In this section, the term peak revenue service means the time period between the time that an agency exceeds the number of midday vehicles in revenue service per hour in the morning peak and the time that an agency falls below the number of midday vehicles in revenue service per hour in the evening peak. . 2203. Mobility innovation (a) In general Chapter 53 of title 49, United States Code, is amended by inserting after section 5315 the following new section: 5316. Mobility innovation (a) In general Amounts made available to a covered recipient to carry out sections 5307, 5310, and 5311 may be used by such covered recipient under this section to assist in the financing of— (1) mobility as a service