49 C.F.R. § 611.301
(a) To be eligible for a project development grant under this part for a new fixed guideway, an extension to a fixed guideway, or a corridor-based bus rapid transit system, a project must:
(b) To be eligible for a construction grant under this part for a new fixed guideway, an extension to a fixed guideway, or a corridor-based bus rapid system, a project must: