Rail intermodal traffic is comprised of shipping containers and truck trailers moved on rail cars, which transport a large range of goods. The Association of American Railroads releases data on carloads and intermodal units originated by U.S. railroads on a weekly and monthly basis.

Number of trucks entering the United States from Mexico. The Bureau of Transportation of Statistics releases incoming border crossing statistics using data collected at ports of entry by U.S. Customs and Border Protection.

Percentage of flights arriving on-time. A flight is on-time if it arrives within 15 minutes of the schedule arrival time. Data are available for those carriers that had at least 1% of domestic enplanements in the previous year. The last 25 months of data include only carriers that reported in each of the last 25 months to retain comparability. Earlier data includes all reporting carriers. A scheduled operation consists of any nonstop segment of a flight. The Bureau of Transportation Statistics air collects performance data from U.S. air carriers and international carriers operating within the U.S.

National Highway Traffic Safety Administration releases data on highway fatalities in the Fatality Analysis Reporting System (FARS). Data for the most recent year are preliminary estimates.

Passengers transported on Amtrak and Alaska Railroad operations. The Federal Railroad Administration collects accident/incident and operational data from railroads. Tourist and commuter railroad are excluded.

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.

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

Unemployed persons are people aged 16 years or older who had no employment, are available for work, except for temporary illness, and make no specific efforts to find employment in the past four weeks. The Bureau of Labor Statistics produces industry estimates of nonfarm payroll employment as part of the Current Population Survey. Employment data are seasonally adjusted to remove the effects of normal seasonal variation.

Unemployment rate is the number of unemployed persons as a percent of the labor force. The Bureau of Labor Statistics produces industry estimates of nonfarm payroll employment as part of the Current Population Survey. Employment data are seasonally adjusted to remove the effects of normal seasonal variation.