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,
Maryland in the American Revolution George Washington was impressed with the Maryland regulars (the "Maryland Line") who fought in the Continental Army and, according to one tradition, this led him to bestow the name "Old Line State" on Maryland. Today, "the Old Line State" is one of Maryland's two official nicknames. The state also filled other roles during the war. For instance, the Continental Congress met briefly in Baltimore from December 20, 1776, through March 4, 1777. Baltimore served as the temporary capital of the colonies when the Second Continental Congress met there during December 1776 to February 1777, (when Philadelphia was occupied by the