Maryland Mass Transit offers a variety of ways to travel through the State. Click on the buttons to the left to see links for MARC, Light Rail, METRO or bus service. In addition to MTA services, many jurisdictions offer local bus service. In Carroll County, Carroll Transit is available for both fixed-route trips and on-demand service. Call 410-875-0800 or 410-876-RIDE for information. For local bus service in your area, call the Rideshare office for your county. To see a list of Maryland Rideshare offices click here.