Welcome to Jatran.com: The Jackson, Mississippi Transit Authority @ (601) 948.7140. Basic Information: Jatran runs fixed routes daily with exception of Sundays. Union Station, the main hub for all Jatran buses, is located at the corner of Gallatin and Capitol Streets in Downtown Jackson. Union Station services Jatran, Greyhound and Amtrak trains along with various cab services. Jatran bus fares average around one dollar but vary by age. Free fare is available for all Transfers and Children ages 5 & under. Visit the official Jatran website for more details information regarding fares.