maintenance area
Defined in 1 dictionary — U.S. Code
United States Code
23 U.S.C. § 101 — in this title (7 versions over time)
The term “maintenance area” means an area that was designated as an air quality nonattainment area, but was later redesignated by the Administrator of the Environmental Protection Agency as an air quality attainment area, under section 107(d) of the Clean Air Act (42 U.S.C. 7407(d)).
49 U.S.C. § 5308 — in this section
Maintenance area.—The term “maintenance area” has the meaning such term has under section 101 of title 23.