What definitions apply to these regulations?

Department means the U.S. Department of Transportation. Order means Executive Order 12372, issued July 14, 1982, and amended April 8, 1983, and titled “Intergovernmental Review of Federal Programs.” Secretary means the Secretary of the U.S. Department of Transportation or an official or employee of the Department acting for the Secretary under a delegation of authority. State means any of the 50 states, the District of Columbia, the Commonwealth of Puerto Rico, the Commonwealth of the Northern Mariana Islands, Guam, American Samoa, the U.S. Virgin Islands, or the Trust Territory of the Pacific Islands.