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

Total value of merchandise freight for United States exports to and imports from Canada and Mexico. The Bureau of Transportation Statistics releases freight data based on a special tabulation of official international trade statistics that are collected by the U.S. Customs and Border Protection and processed and validated by the U.S. Census Bureau, Foreign Trade Division.

Customer on-time performance is the percentage of customers who arrive at their detraining stations on time. An Acela train is late when it arrives at a station more than 10 minutes after its scheduled time; a Northeast Regional or State-Supported train is late when it arrives more than 15 minutes after its scheduled time. For years before FY 2018, on-time performance is the percentage of total train arrivals on-time at each station, with every arrival weighted equally. Amtrak reports system performance in monthly Host Railroad Reports.

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.

Rail carload traffic is comprised of mostly bulk commodities, such as coal and agricultural products. The Association of American Railroads releases data on carloads and intermodal units originated by U.S. railroads on a weekly and monthly basis.

A monthly measure of the volume of services performed by the for-hire transportation sector. The index covers the activities of local mass transit, intercity passenger rail, and passenger air transportation.

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

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.

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.

Freight and mail carried by U.S. airlines in all service classes (schedule and nonscheduled) on domestic flights. The Bureau of Transportation Statistics collects air traffic data from U.S. air carriers and international carriers operating within the U.S.