State
State means any one of the fifty States, the District of Columbia, Puerto Rico, or, for purposes of functional classification of highways, the Virgin Islands, American Samoa, Guam, or the Commonwealth of the Northern Marianas.
Source
23 CFR § 470.103
Scoping language
Except as otherwise provided in this part, terms defined in 23 U.S.C. 101 are used in this part as so defined.