MTA Commuter Service Provided by Gold Line, Inc./The Martz Group

Gold Line, Inc., a Martz Group company, provides fixed-route commuter bus service to/from various locations in southern Maryland to Washington, DC under contract with the Maryland Transit Administration (MTA). Service operates on a Monday through Friday basis; routes currently operated by Gold Line, Inc. include the 610 route, the 620 route, the 650 route, and the 904 route.

PDF's of the routes and schedules for each of the four current commuter routes can be downloaded – see below.


Map of the 904 route


Map of the 650 route


Map of the 620 route


Map of the 610 route

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