A beltway is a road that goes around a city or town, to keep traffic away from the centre. a fast main road that goes around a city, not through the centre British Equivalent: ring road
{i} highway that circles around a large city (often connecting different inter-city routes)
pertaining to the lives of American citizens rather than to the political and social environment of Washington DC (refers to the beltway, a highway that encircles Washington DC)