; and (11) $2,000,000 shall be for research that leads to decreases in highway and pedestrian fatalities among Tribal populations: Provided further , That for the purposes of funds made available under paragraph (1) of the fourth proviso, the term “State” means any of the 50 States or the District of Columbia: Provided further , That the funds made available under paragraph (1) shall be sub-allocated in the manner described in section 133(d) of title 23, United States Code, except that the set-aside described in section 133(h) of such title shall not apply to funds made available under this heading: Provided further , That the funds made available under paragraph (1) shall be administered as if apportioned under chapter 1 of such title and shall be apportioned to the States in the same ratio as the obligation limitation for fiscal year 2021 is distributed among the States in section 120(a)(5) of this Act: Provided further , That for amounts made available under paragraphs (1), (2), (3), (4), (6), and (7), the Federal share of the costs shall be, at the option of the recipient, up to 100 percent: Provided further , That except as provided in the following proviso, the funds made available under this heading for activities eligible under the Puerto Rico Highway Program and activities eligible under the Territorial Highway Program shall be administered as if allocated under sections 165(b) and 165(c), respectively, of title 23, United States Code: Provided further , That the funds made available under this heading for activities eligible under the Puerto Rico Highway Program shall not be subject to the requirements of sections 165(b)(2)(A) or 165(b)(2)(B) of such title: Provided further , That the funds made available for the Tribal Transportation Program shall be sub-allocated in the manner described in section 202(b)(3)(A)(i)(IV) of such title, except that the set-asides described in subparagraph (C) of section 202(b)(3) of such title and subsections (a)(6), (c), (d), and (e) of section 202 of such title shall not