Maryland Public Service Commission intrastate in Maryland must obtain a certificate to operate in Maryland. Carriers operating in Montgomery or Prince George's Counties that will also operate interstate into Washington, DC, or the cities and counties in Virginia that border Washington must also register with the Washington Metropolitan Area Transit Commission. Maryland Public Service Commission The Maryland Public Service Commission (PSC) is an independent administrative agency within the state government which regulates public utilities and certain taxi cab and other passenger services in Maryland. Similar to other state Public Utilities Commissions, the Maryland PSC regulates and sets tariff rates for natural gas, electricity distribution,
Capital Beltway station trains (the future MARC Penn Line) began stopping at Capital Beltway; the nearby Lanham and Landover stations were closed. Amtrak and Conrail abandoned Capital Beltway on October 30, 1983, in favor of nearby New Carrollton, which had been a Washington Metro stop since 1978. Capital Beltway station Capital Beltway was a railway station in Lanham, Maryland. It was built in 1970 by the Penn Central Transportation Company in partnership with the state of Maryland, the United States Department of Transportation (DOT), and Prince George's County. The station was located on the Northeast Corridor approximately north of Union Station in Washington,