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Related Reports and Studies


  1. Report to Congress: Pipeline Damage Prevention
  2. Letter to Congress: Response to the Depth of Cover Study
  3. Report to Congress: Pipeline R&D Five-Year Plan
  4. Report to Congress: Results of Study on Hazardous Liquid Incidents at Certain Water Crossings
  5. PHMSA Tribal Assistance Protocol
  6. TRB Special Report 311: Effects of Diluted Bitumen on Crude Oil Transmission Pipelines
  7. Report to Congress: Cast Iron Pipelines
  8. Pipeline Replacement Updates – Online, publicly accessible database to track progress in replacing cast/ wrought iron and bare steel pipelines
  9. Report to Congress: Automatic and Remotely Controlled Shutoff Valves
  10. Report to Congress: Leak Detection Systems
  11. Final Report: Leak Detection Study
  12. Report to Congress: Completion of Hiring Authorized Inspection and Enforcement Personnel
  13. Studies for the Requirements of Automatic and Remotely Controlled Shutoff Valves on Hazardous Liquids and Natural Gas Pipelines

Rulemakings and Advisory Bulletins