C-TRAN (Georgia)
The Clayton County C-TRAN was a bus transportation system in Clayton County, Georgia that ran from 2001 to 2010. C-Tran was run by the Georgia Regional Transportation Authority (GRTA) to manage the local bus system, linking bus routes to MARTA, the Hartsfield-Jackson Atlanta International Airport, and major commercial and academic centers in the county. C-Tran's bus fleet was powered by compressed natural gas. Due to budget shortfalls, C-Tran ended service on March 31, 2010.