; environmental documents (1) In general The lead agency and each participating agency for a project shall apply the requirements of section 41005 of the FAST Act ( 42 U.S.C. 4370m–4 ) to the project, subject to the condition that any reference contained in that section to a covered project shall be considered to be a reference to the project under this section. (2) Single environmental document (A) In general Except as provided in subparagraph (C), to the maximum extent practicable and consistent with Federal law, to achieve compliance with NEPA, all Federal authorizations and reviews that are necessary for a project shall rely on a single environmental document for each type of environmental document prepared under NEPA under the leadership of the lead agency. (B) Use of document (i) In general To the maximum extent practicable, the lead agency shall develop environmental documents sufficient to satisfy the NEPA requirements for any authorization or other Federal action required for the project. (ii) Cooperation of participating agencies Each participating agency shall cooperate with the lead agency and provide timely information to assist the lead agency to carry out subparagraph (A). (C) Exceptions A lead agency may waive the application of subparagraph (A) with respect to a project if— (i) the project sponsor requests that agencies issue separate environmental documents; (ii) the obligations of a cooperating agency or participating agency under NEPA have already been satisfied with respect to the project