Changeflow GovPing Transportation PHMSA Supplement to P-1800 Guidance
Routine Guidance Added Final

PHMSA Supplement to P-1800 Guidance

Favicon for www.regulations.gov Regs.gov: Pipeline and Hazardous Materials Safety Administration
Published March 16th, 2026
Detected March 16th, 2026
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Summary

The Pipeline and Hazardous Materials Safety Administration (PHMSA) has posted a supplement to its P-1800 document. This supplement provides additional information or clarification related to existing guidance for the transportation of hazardous materials.

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What changed

PHMSA has released a supplement to its P-1800 guidance document, identified by the docket number PHMSA-2025-0031. The document itself is not available for direct viewing or download, but a supplementary attachment has been posted on regulations.gov.

This supplement is likely intended to provide updated information, clarifications, or additional details concerning the safe transportation of hazardous materials. Regulated entities, particularly those involved in the transportation of hazardous materials, should review this supplement to ensure their compliance with current PHMSA requirements and best practices.

What to do next

  1. Review the supplement to P-1800 for any updated guidance or clarifications.

Source document (simplified)

Content

There are no documents available to view or download

Attachments 1

Supplement to P-1800 (PHMSA-2025-0031)

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Source

Favicon for www.regulations.gov
Regs.gov: Pipeline and Hazardous Materials Safety Administration regulations.gov/search?agencyIds=PHMSA&sortBy=postedDate&sortDirection=desc
Transportation
Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
PHMSA
Published
March 16th, 2026
Instrument
Guidance
Legal weight
Non-binding
Stage
Final
Change scope
Minor

Who this affects

Applies to
Transportation companies
Geographic scope
National (US)

Taxonomy

Primary area
Transportation
Operational domain
Compliance
Topics
Hazardous Materials

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