TransIT Services of Frederick County is a public transportation agency in Frederick County, Maryland, that is operated by the county government. The agency currently operates 9 Connector bus routes, mostly in the city of Frederick, 5 shuttles, and demand-response for seniors and persons with disabilities. TransIT provides connections to other public transportation services in the region, including the MTA Maryland's routes 204 and 515 commuter bus and MARC Train service. According to the agency's homepage, the service had approximately 909,800 boardings in FY 2012.

Transit may refer to:

• Internet transit, one of two mechanisms by which Internet traffic is exchanged between internet service providers