(The Center Square) — The Metropolitan Atlanta Rapid Transit Authority is about to embark on a roughly $230 million Five Points Station upgrade that officials say will transform the station into “a vibrant city center.” The agency is funding the 18-month-long project at the station that serves as the transfer point between its north-south and east-west lines with $13.8 million from the state, a $25 million federal Rebuilding American Infrastructure with Sustainability and Equity — or RAISE — Grant and proceeds from the More MARTA Atlanta half-penny sales tax. Earlier this month, MARTA reopened…