Real Gross Domestic Product: Transportation and Warehousing (NAICS 48-49) in Maryland was 7084.70000 Mil. of Chn. 2009 $ in January of 2021, according to the United States Federal Reserve. Historically, Real Gross Domestic Product: Transportation and Warehousing (NAICS 48-49) in Maryland reached a record high of 7756.80000 in January of 2018 and a record low of 5651.70000 in January of 1997. Trading Economics provides the current actual value, an historical data chart and related indicators for Real Gross Domestic Product: Transportation and Warehousing (NAICS 48-49) in Maryland - last updated from the United States Federal Reserve on March of 2024.