High Quality Content by WIKIPEDIA articles! The Nashville Metropolitan Transit Authority (MTA) is a public transportation agency based in Nashville, Tennessee. Consisting of city buses and paratransit, the system serves Nashville and Davidson County. All bus routes serve the downtown transit station, Music City Central. This makes MTA the largest transit agency where all bus routes terminate in a Central Business District with no crosstown service, with the exception of the Edmondson Pike Connector (route 72) and Madison Connector (route 76).