49 CFR § 1.91 - Delegations to the Federal Transit Administrator.
The Federal Transit Administrator is delegated authority to carry out the following:
(a) Chapter 53 of title 49, United States Code, and notes thereto.
(c) Sections of title 23, United States Code, and notes thereto that involve public transportation projects, including those provisions that pertain to planning, environmental reviews and use of historic resources for public transportation projects.
(d) Section 303 of title 49, United States Code, as it involves public transportation projects.
(f) Section 601 of the Passenger Rail Investment and Improvement Act of 2008 (Pub. L. 110-432, Div. B).