This guidance document and its referenced materials offer recommendations on the level of detail to include when preparing a pipeline special permit application. For assistance with pipeline special permits or the application process, send an email to pipelinespecialpermits@dot.gov. For questions on environmental analysis or to coordinate with PHMSA Environmental Analysis and Compliance Division send an email to PHMSASpecialPermitEACD@dot.gov.

• Pipeline Special Permit Application Guidance 2026
• Segment Integrity Information Table Template
• Pipeline Maintenance Environmental Scoping Document
• Construction Projects Environmental Scoping Document
• Environmental Sample List of Tables
• PHMSA Environmental Assessment Template