The Cobb County Department of Transportation develops, manages and operates the county's transportation systems ranging from public transit to public roadways to an airport. It maintains roads, sidewalks and other infrastructure for vehicles and pedestrians.
The department also manages Cobb County Airport–McCollum, a general aviation airport that serves both business and recreational needs and operates Cobb Community Transit (CCT), the county's public transportation system.
Faye DiMassimo is the current director of transportation.