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.

Freight and mail carried by U.S. airlines in all service classes (schedule and nonscheduled) on international flights. A revenue ton-mile is the movement of one ton of revenue cargo carried for one mile. The Bureau of Transportation Statistics air traffic data from U.S. air carriers and international carriers operating within the U.S.

Personal spending on motor vehicles and parts includes spending on new motor vehicles, used vehicle purchases, and vehicle parts and accessories. The Bureau of Economic Analysis estimates personal consumption expenditures, the primary measure of consumer spending on goods and services in the U.S. economy, for each quarter and releases new statistics every month. Quarterly PCE data are seasonally adjusted at annual rates to remove the effects of normal seasonal variation.

The Bureau of Transportation Statistics calculates this index based on the American Trucking Association’s monthly Truck Tonnage Index.

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.

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 pavement, lighting, retaining walls, tunnels, bridges, toll/weigh facilities, maintenance buildings, and rest facilities.

The Bureau of Transportation Statistics releases non-seasonally adjusted air traffic data based on monthly reports from commercial U.S. air carriers.

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.

Personal spending on transportation services includes spending on motor vehicle services, such as maintenance and repair, and public transportation, including rail transportation, intercity buses, taxicabs and ride sharing services, intracity mass transit, air transportation, and water transportation. The Bureau of Economic Analysis estimates personal consumption expenditures, the primary measure of consumer spending on goods and services in the U.S. economy, for each quarter and releases new statistics every month. Quarterly PCE data are seasonally adjusted at annual rates to remove the effects of normal seasonal variation.

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.