; (F) by adjusting the margins of clauses (i), (ii), and (iii) of subparagraph (B), as redesignated, 2 ems to the left; and (G) by striking (D) Any project not referred to and inserting the following: (C) Any project not referred to . (b) Conformity determinations prior to construction of transportation projects Paragraph (2) of section 176(c) of the Clean Air Act ( 42 U.S.C. 7506(c) ), as amended by subsection (a), is further amended by adding at the end the following new subparagraph: (E) The conformity determinations required by this section with respect to transportation projects shall be coordinated with the transportation planning process under sections 134 and 135 of title 23, United States Code, and with the environmental review process required under the National Environmental Policy Act of 1969 and other applicable laws, in accordance with the following requirements: (i) The Secretary of Transportation shall make its conformity determination for a transportation project prior to initiation of construction of the project. (ii) The Secretary of Transportation shall include the transportation project in the plan or program developed pursuant to title 23 or chapter 53 of title 49, as applicable, before the Secretary of Transportation makes a conformity determination for the project. (iii) The Secretary of Transportation shall— (I) ensure that any environmental document prepared for the project under the National Environmental Policy Act of 1969 ( 42 U.S.C. 4332 et seq.) discloses the need for a transportation conformity determination and evaluates consistency with conformity requirements