Chittenden County Transportation Authority (CCTA) was the public transit system headquartered in Burlington in Chittenden County, Vermont. CCTA served the communities of Burlington, Essex, South Burlington, Winooski, Shelburne, Williston and Milton. As well as providing regular bus routes to these member municipalities, CCTA also served parts of Colchester and had express routes for commuters travelling between Burlington and Montpelier, Middlebury, and St. Albans.