Dunkin’ Donuts opens new location in Riverside, California; its 12,000th restaurant worldwide   CANTON, MA, 2016-Sep-21 — /EPR Retail News/ — Dunkin’ Donuts today (September 20, 2016) opened its 12,000th restaurant worldwide, in the Greater Los Angeles area at 4922 La Sierra Avenue in Riverside, California. With this milestone location, Dunkin’ Donuts continues its steady and strategic westward expansion, opening…