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Agency/ Year started / Number of passenger trips in 2012 / Annual budget
Cobb County Transit / 1989/ 4 million / $18 million
Gwinnett County Transit / 2001 / 2 million / $7.43 million
MARTA / 1971 / 135 million / $857 million
GRTA / 2004 / 2.4 million / $21.6 million
Source: each respective agency
Noise level: A
COBB COUNTY TRANSIT
Noise level: D