Unless otherwise specified in this part, the definitions contained in 23 U.S.C. 101(a) are applicable to this part. In addition, the following definitions apply:

Applicant means either:

(1) A State Transportation Department, or

(2) A group of State Transportation Departments, with one State acting as the project lead.

Eligible project means any surface transportation project or set of integrated surface transportation projects closely related in the function they perform eligible for Federal assistance under title 23, United States Code, including public or private rail facilities providing benefits to highway users, surface transportation infrastructure modifications to facilitate intermodal interchange, transfer, and access into and out of ports and other activities eligible under such title.

Eligible project costs means the costs pertaining to an eligible project for:

(1) Development phase activities, including planning, feasibility analysis, revenue forecasting, environmental review, preliminary engineering and design work, and other preconstruction activities;

(2) Construction, reconstruction, rehabilitation, and acquisition of real property (including land related to the project and improvements to land), environmental mitigation, construction contingencies, acquisition of equipment, and operational improvements; and

(3) all debt financing costs authorized by 23 U.S.C. 122.

Full Funding Grant Agreement (FFGA) means the agreement used to provide Federal financial assistance under title 23, United States Code, for Projects of National and Regional Significance. An FFGA defines the scope of the project, establishes the maximum amount of Government financial assistance for the project, covers the period of time for completion of the project, facilitates the efficient management of the project in accordance with applicable Federal statutes, regulations, and policy, including oversight roles and responsibilities, and other terms and conditions.