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,
Arts and culture of Maryland of two venues: the "Mansion" and the "Music Center." English is the most widely spoken language; however, Spanish is spoken in small regions within the Washington, DC - Baltimore corridor. 87.4% of the population speaks only English at home, while 4.7% speak Spanish. The remaining 7.9% are composed of 15 other reported languages, with French being the most common and Arabic being the least common. Southern Maryland, the Eastern Shore and Western Maryland have Southern accents and are influenced by southern culture. There are several music festivals in Maryland. A jazz festival is held in Silver Spring on the second