Requiring the Governor to include appropriations for fiscal year 2018 through fiscal year 2021 aggregating to at least $100,000,000 for the purpose of financing improvements to Maryland Area Rail Commuter service in a specified area; requiring the improvements to Maryland Area Rail Commuter service to be consistent with a specified plan; requiring the Maryland Department of Transportation to submit a report to specified committees of the General Assembly on or before December 1, 2016, that includes specified information; etc.