Since 1970, PHMSA has collected data about pipeline infrastructure from operators. The annual report formats have changed several times over the years. Since 2010, PHMSA has collected mileage data for five pipeline system types. The initial year of annual report collection is shown below:

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2010+ PIPELINE MILES AND FACILITIES – Each report initially shows all States, the District of Columbia, and Puerto Rico, but can be limited to a single State. Links for calendar year in the reports will open a new screen showing mileage and facilities for each pipeline operator.

ANNUAL REPORT SUMMARY – Yearly totals of miles and facilities for each pipeline system type.

ANNUAL REPORT DATA ACCESS – Mile and facility data submitted to PHMSA on annual reports from pipeline operators.

PIPELINE REPLACEMENT UPDATES – DOT's "Call to Action" on highest-risk pipeline infrastructure. Trend lines of highest-risk pipelines since 2005.