Source: US. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: W626RC1
For more information about this series, please see http://www.bea.gov/national/.
US. Bureau of Economic Analysis, Government consumption expenditures and gross investments: Federal: Economic affairs: Transportation: Highways [W626RC1A027NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/W626RC1A027NBEA, September 27, 2016.