USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Site Notification

Site Notification

 Find the latest Coronavirus-related transportation statistics on the BTS COVID-19 landing page.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Energy Intensity of Class I Railroad Freight Service (Metric)

Embedded Dataset Excel:

Dataset Excel:



The threshold for classification as a Class I Railroad is based on operating revenues; the 2018 threshold is $489.94 million.

The heat equivalent factor used for joule conversion is 38,655.900 joules/liter.

1.459972 tonne-kilometer = 1 ton-mile.

1.609344 kilometers = 1 mile.

0.9071847 tonnes = 1 ton.

3.785412 liters = 1 gallon.

1.055056 kilojoules = 1 British thermal unit (Btu).


Association of American Railroads, Railroad Facts (Washington, DC: 2019), pp. 37, 40, and 45, and similar tables in earlier editions.