commuter belt

plural commuter belts

1. attributiveoftenA zone surrounding a metropolitan area or city from which commuters travel to the area or city to work.

   More money for the NHS; vaccines will save us; life in commuter-belt England will continue much as it always has.

   2021 September 16, Gaby Hinsliff, “Johnson is reshuffling away from culture wars to firm up the commuter belt”, in The Guardian

   1 more example

   Whitney is absorbed especially by Dublin's unglamorous interstitial zones: the new housing estates and labyrinths of roads, watercourses and railways where the city peters into its commuter belt.

   2014 August 23, Neil Hegarty, “Hidden City: Adventures and Explorations in Dublin by Karl Whitney, review: 'a necessary corrective' [print version: Re-Joycing in Dublin, p. R25]”, in The Daily Telegraph (Review)