(a) During Formulation of Plan.—The Secretary shall, during the formulation of any transportation plan authorized pursuant to section 101521 of this title—
(b) Prior to Implementation of Project.—Prior to the implementation of any project developed pursuant to the transportation plan formulated pursuant to subsection (a), the Secretary shall—
(c) Waiting Period.—
When a report on a project is required under subsection (b)(2), the Secretary may proceed with the implementation of the project only after 60 days (not counting days on which the Senate or House of Representatives has adjourned for more than 3 consecutive days) have elapsed following submission of the report.