The U.S. Census Bureau provides monthly estimates of the total dollar value of construction work done in the United States as part of the Value of Construction Put in Place Survey (VIP). Includes construction related to passenger terminals, runways, pavement and lighting, hangars, air freight terminals, space facilities, air traffic towers, aircraft storage and maintenance buildings.

The U.S. Census Bureau provides monthly estimates of the total dollar value of construction work done in the United States as part of the Value of Construction Put in Place Survey (VIP). Includes commercial parking lots and garages.

The Federal Highway Administration's National Highway Construction Cost Index (NHCCI) is a quarterly price index intended to measure the average changes in the prices of highway construction costs over time and to convert current-dollar highway construction expenditures to real dollar expenditures.

On-highway diesel price is the average retail price for diesel used in motor vehicles. The U.S. Energy Information Administration releases weekly gasoline and diesel price estimates.

Regular gasoline price is the average retail price for regular grade formulations. The U.S. Energy Information Administration releases weekly gasoline and diesel price estimates.

Heavy trucks include trucks with more than 14,000 pounds gross vehicle weight. Prior to the 2003 Benchmark Revision heavy trucks were more than 10,000 pounds. The U.S. Bureau of Economic Analysis releases auto and truck sales data, which are used in the preparation of estimates of personal consumption expenditures.

Light trucks include trucks with up to 14,000 pounds gross vehicle weight, including minivans and sport utility vehicles. Prior to the 2003 Benchmark Revision, light trucks were up to 10,000 pounds. The U.S. Bureau of Economic Analysis releases auto and truck sales data, which are used in the preparation of estimates of personal consumption expenditures.

Autos include all passenger cars, including station wagons. The U.S. Bureau of Economic Analysis releases auto and truck sales data, which are used in the preparation of estimates of personal consumption expenditures.

Employed persons include people aged 16 years and older in the civilian noninstitutional population who did any work at all as paid employees; worked in their own business, profession, or on their own farm, or worked 15 hours or more as unpaid workers in an enterprise operated by a member of the family; and all those who were not working but who had jobs or businesses from which they were temporarily absent. The Bureau of Labor Statistics produces industry estimates of nonfarm payroll employment as part of the Current Population Survey.

Employed persons include people aged 16 years and older in the civilian noninstitutional population who did any work at all as paid employees; worked in their own business, profession, or on their own farm, or worked 15 hours or more as unpaid workers in an enterprise operated by a member of the family; and all those who were not working but who had jobs or businesses from which they were temporarily absent. The Bureau of Labor Statistics produces industry estimates of nonfarm payroll employment as part of the Current Population Survey.