Tarrant County’s public transit is giving free vaccine rides. DART should follow suit Dallas County and volunteers also are stepping up to help residents get COVID-19 shots. A Trinity Metro bus passes the Tarrant County Courthouse. May 30, 2019. The Tarrant County bus service is offering free rides to COVID-19 vaccination sites.(Trinity Metro / Trinity Metro) Here’s a good idea: Trinity Metro bus service in Fort Worth is giving free rides to vaccination hubs. Dallas isn’t far behind. To get a free ride, customers must show proof of an appointment from Tarrant County Public Health. Service is available to two vaccination sites: The Tarrant County Conference and Recreation Center at 2300 Circle Drive in Fort Worth, and the Hurst Conference Center at 1601 Campus Drive in Hurst.