Establishing the Maryland Area Rail Commuter (MARC) Rail Authority and the powers and duties of the MARC Rail Authority, acting on behalf of the Department of Transportation, with respect to the supervision, construction, operation, maintenance, and repair of MARC railroad facilities projects; authorizing the MARC Rail Authority to issue certain revenue bonds to finance the cost of MARC railroad facilities; establishing the MARC Rail Authority Fund; and requiring certain funds and revenues to be deposited in the Fund.