Real Gross Domestic Product: Other Transportation and Support Activities (NAICS 487-488, 492) in Maryland was 2241.30000 Mil. of Chn. 2009 $ in January of 2022, according to the United States Federal Reserve. Historically, Real Gross Domestic Product: Other Transportation and Support Activities (NAICS 487-488, 492) in Maryland reached a record high of 2583.00000 in January of 2020 and a record low of 1627.60000 in January of 1997. Trading Economics provides the current actual value, an historical data chart and related indicators for Real Gross Domestic Product: Other Transportation and Support Activities (NAICS 487-488, 492) in Maryland - last updated from the United States Federal Reserve on April of 2024.