MDOT MAA (Maryland Department of Transportation Maryland Aviation Administration) fosters the vitality of aviation statewide and promotes safe and efficient operations, economic viability and environmental stewardship. MAA owns and operates Baltimore/Washington International Thurgood Marshall Airport and Martin State Airport. Baltimore/Washington International Thurgood Marshall Airport is the 22nd busiest airport in the United States, and the busiest in the Washington-Baltimore region. In 2018, Maryland Governor Larry Hogan announced that BWI Marshall Airport produces a total economic impact of $9.3 billion. The airport and visitors generate and support more than 106,000 jobs throughout Maryland and the region. BWI Marshall Airport was recognized as Best Airport in North America by Airports Council International World (ACI World) for 2020. Martin State Airport is an important transportation and economic development asset, located in Middle River, about 10 miles from downtown Baltimore. Martin State Airport serves and supports a broad variety of aviation services including corporate and private aviation activities, flight training, recreational, aviation maintenance, law enforcement, and military operations of the Maryland Air National Guard.