The Eisenhower Interstate System permits bypass and spur highway numbers to be recycled from state to state, so the most you can say about Interstate 495 without a further referrent is that it is supposedly a beltway forming a loop with Interstate 95 and allowing you to bypass a city or something else worth bypassing. By its very nature, 495 is going to be one of the more significant roads to people trying to go any distance in the vicinity of one, so each has its own distinct character that locals will merrily natter on about. There are five instances of the class Interstate 495 in six states at present, at least according to the inimitable Federal Highway System Route Log at and the AARoads guide at