beltway
n.a major highway or a group of highways that form a loop around a large city. It is also used to describe the people who work in a specific area, like politics.
n.a major highway or a system of highways forming a loop around a large urban area. In a figurative sense, it refers to the group of people who work in a specific industry or political environment.
“The traffic on the beltway is always heavy during rush hour.”
“Commuters often take the beltway to avoid the congestion of the city center during the morning commute.”
“The candidate's campaign struggled to gain traction outside the beltway, as her message resonated more with urban voters than with the suburban electorate.”
From belt + way.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.