NEWPORT BEACH, Calif.–(BUSINESS WIRE)–A new partnership between the San Francisco Bay Area Rapid Transit District (BART), the fifth busiest public transportation system in the U.S. by ridership, and Mobilitie, the largest privately-held wireless infrastructure firm in the nation, to bring next-generation wireless connectivity to riders is now underway. The new digital network will modernize connectivity across tunnels, stations and rail cars to deliver 5G connectivity to riders, surrounding c