23 C.F.R. § 773.105
(a) Applicants. A State must comply with the following conditions to be eligible and to retain eligibility for the Program.
(1) For highway projects:
(2) For railroad or public transportation projects:
(b) Responsibilities. Responsibilities eligible for Program assignment and State assumption include all NEPA responsibilities and all or part of the reviews, consultations, and other actions required under other environmental laws, regulations, and E.O.s. Appendix A to this part contains an example list of other environmental laws, regulations, and E.O.s that may be assigned to and assumed by the State. These may include the environmental review responsibilities for the elements of a multimodal project that are within an applicable Operating Administration's jurisdiction. The following responsibilities are ineligible for Program assignment and State assumption:
(c) Projects. Environmental reviews ineligible for assignment and State assumption under the Program include reviews for the following types of projects: