United States Department of Transportation – Bureau of Transportation Statistics

Notes:

Mileage data reported in Gas Facts, prior to 1985, is taken from the American Gas Association’s member survey, the Uniform Statistical Report, supplemented with estimates for companies that did not participate.

Source for Oil pipeline data was changed to be more consistent with other data sources and tables.

Description:

KEY: N = data do not exist; R = revised.

^a Excludes service pipeline. Data are not adjusted to common diameter equivalent. Mileage as of the end of each year.

^b Before 1985, data include field line mileage.

Source:

1960-80: American Gas Association, Gas Facts (Arlington, VA: Annual Issue), tables 5-1 and 5-3 and similar in earlier editions.

1985-2021: U.S. Department of Transportation, Pipeline and Hazardous Materials Safety Administration, Office of Pipeline Safety, Natural Gas Transmission, Gas Distribution, and Hazardous Liquid Pipeline Annual Mileage, available at https://www.phmsa.dot.gov/data-and-statistics/pipeline/annual-report-mileage-hazardous-liquid-or-carbon-dioxide-systems as of Jul. 14, 2022.