The term "Beltway" commonly refers to a ring road or highway that encircles a city, with the most notable example being the Washington, D.C. Beltway. This highway, officially known as Interstate 495, serves as a major thoroughfare for commuters and travelers, connecting various suburbs and regions around the capital. In a political context, "Beltway" often describes the culture and activities of politicians, lobbyists, and media within the Washington, D.C. area. It symbolizes the influence and dynamics of U.S. federal politics, highlighting how decisions made within this circle can impact the entire nation.