USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

FOIA Library/Electronic Reading room


In accordance with 5 U.S.C. § 552(a)(2), the following four categories of records are available in the Electronic Reading Room, without the need for a FOIA request:

  • Category 1 - Final Opinions and Orders. Final opinions and orders rendered in the adjudication of administrative cases are found here.
  • Category 2 – Policy Statements
  • Category 3 – Staff Manuals and Instructions. Administrative staff manuals and instructions to staff that affect a member of the public are included here.
  • Category 4 – Frequently Requested Records. Records requested or anticipated to be requested three or more times are available here.

Only Reading Room records created on or after November 1, 1996, must be made available electronically. For access to pre-November 1, 1996 Reading Room records created by PHMSA, please contact PHMSA's FOIA Requester Service Center at (202) 366-4400 or visit the following conventional (paper) Reading Room:

     DOT Dockets Office, 1200 New Jersey Ave, SE
     Room W12-140, Washington, D.C. 20590

     Hours of operation: 9:00-5:00 ET, Monday through Friday, except Federal holidays.
     Telephone: (202) 366-9322 or (202) 366-9826
     Toll-Free: (800) 647-5527
     Monday through Friday, except Federal holidays

A computer terminal and printer are available at the DOT Dockets Office for accessing Electronic Reading Room records.

Electronic Reading Room

Category 1 - Final Opinions and Orders

     Office of pipeline safety

Pipeline Final Orders (2002-Present)

Pipeline Corrective Action Orders (2002-Present)

Pipeline Closed Notices of Amendment (2002-Present)

Pipeline Compliance Documents (pre-2002)

     Office of Hazardous materials safety

Hazmat Decisions on Appeal

Hazmat Orders of the Chief Counsel

Category 2 - Policy Statements

    Office of Pipeline Safety

Pipeline Interpretations

     Office of Hazardous Materials Safety

Hazmat Interpretations

Hazmat Systems Integrity Safety Program (SISP) Policy



Federal Student Loan Repayment Program

PHMSA Merit Promotion Plan Policy

PHMSA Recruitment, Relocation & Retention Policy

PHMSA Telework Policy

Unsolicited Proposal Policy

Web Policies

Category 3 - Staff Manuals and Instructions

   PHMSA Guidance

    Office of Pipeline Safety

Pipeline Civil Penalty Summary

Pipeline Enforcement Guidance

Pipeline Enforcement Procedures

Pipeline Gas Integrity Management Inspection Protocols

Pipeline Hazardous Liquid Integrity Management Inspection Protocols

Pipeline Operator Drug & Alcohol Inspection Forms

Pipeline Operator Qualification Inspection Protocols

Pipeline Technical Resources

    Office of Hazardous Materials Safety

Hazmat Enforcement Operations Manual

Hazmat Joint Operations Manual for 49 CFR Part 109

Category 4 - Frequently Requested Records Under FOIA

     Office of Pipeline Safety

Algonquin Gas Transmission, LLC

         New ~ Weymouth Letter to PHMSA in 1-2020-014-CAO December 10, 2020         

         New ~ Weymouth Compressor Station September 30, 2020 Blowdown Event

         New ~ Weymouth Compressor Station September 11, 2020 Closure Seal Failure

         New ~ Weymouth, MA Compressor Station Restart Plan 11/9/2020
Atlantic Coast Pipeline 

Atlantic Coast Pipeline Laydown - Misc FOIA Records

Beta Offshore

PHMSA Response to Congress regarding San Pedro Bay Pipeline Failure - January 11, 2022 (NEW)

California Public Utility Commission

California Public Utilities Commission (CPUC) FY 2012 and 2013 Evaluations

Cheniere Energy, LLC

Cheniere CPF No.4-2018-3001H Decision and Order Issued by PHMSA on February 11, 2019

Colonial Pipeline

Colonial Pipeline Co Emergency Response Plans - Southeast Response Zone Oct 2015 - Part 1

Colonial Pipeline Co Emergency Response Plans - Southeast Response Zone Oct 2015 - Part 2

Colonial Pipeline Co - Shelby County, AL - September 9, 2016

Columbia Gas Pipeline

PHMSA Letters to/from Senator Warren and Senator Markey regarding the September 13, 2018 incident

Columbia Gas of Massachusetts 10/13/2018 Incident Report (20180092-31066)

Dakota Access Pipeline

Dakota Access Pipeline Facility Response Plan - North Response Zone - March 2023

Denbury Gulf Coast Pipeline, LLC

Denbury Gulf Coast Pipeline, LLC - May 26, 2022

Enbridge Pipeline

Enbridge Makinac Straits ILI Review

Enbridge Release on Lakehead System Line 6B - July 26, 2010

Equitrans, L.P.

Rager Mountain Well #2244 Casing Failure Root Cause Analysis

ExxonMobil Pipeline

ExxonMobil Pegasus Pipeline Failure Investigation Report, Mayflower, Arkansas, October 23, 2013

ExxonMobil Failure in Mayflower Arkansas, March 29, 2013

ExxonMobil Laurel, Montana Failure Investigation Report October 2012

ExxonMobil Failure in Laurel, Montana July 1, 2011

FY 22 Bipartisan Infrastructure Law (BIL) Grant Awards

City of Graysville (AL)

City of New Albany (MS)

City of Carenco (LA)

City of Hawkinsville (GA)

City of Lanett (AL)

City of Morgan (LA)

City of Donaldsville (LA)

Town of Woodworth (LA)

Waterworks and Gas Board of the City of Cordova (AL)

Freeport LNG

Freeport LNG Root Cause Failure Analysis 

Freeport LNG Frequently Asked Questions

Freeport LNG Public Briefing Page

Mountain Valley Pipeline

First FOIA Release

Second FOIA Release

Third FOIA Release

Fourth FOIA Release

Fifth FOIA Release

MVP Construction Photos

Integrity Update July 2020 and Inspection Records

MVP Request for Informal Consultation

Consent Agreement/Consent Order

Inspection Records

Equitrans Midstream Corporation, CPF No.1-2023-053-NOPSO
First Quarterly Report (January 3, 2024)

Plains Pipeline

2015 Congressional Correspondence Regarding Plans L901/L903

5-19-2015 Accident in Santa Barbara, CA, Final Supplemental Accident Report Revised 3-8-2017

Plains Pipeline LP Line 901 Failure Investigation Report, May 2016

Plains L901/L903 Transfer of Regulatory Oversight MOU between PHMSA and CASFM, May 18, 2016

Public Service of North Carolina

4/10/2019 Incident in Durham, NC, Original PHMSA Incident Report filed 5/10/2019

Spectra Energy

Spectra Energy Partners, LP - Technical Root Cause Analysis of Delmont Line 27 Failure - April 29, 2016

Sunoco Pipeline

         Sunoco 1-2019-5006 NOPV PCO - May 17, 2019

TC Energy Corporation

TC Energy Corporation Corrective Action Order - November 5, 2019

TC Energy Keystone Pipeline Failure – December 7, 2022

TransCanada Keystone RCFA

Restart Plan for STLCB MP14


TransCanada Metallurgical Analysis of NP-36 KS10 MP-14 Pipeline

TC Energy Keystone Pipeline - Documentation of ILI Results

     Office of Hazardous Materials Safety

PHMSA Denial of Application for Renewal of DOT-SP 20534

ETS Special Permit Renewal Application

United Parcel Service, Inc. Lexington, KY 5/30/2018

Transportation Services Unlimited Investigation Report No. 15248007, January 12, 2015



Purchase Card Holders

Congressional Correspondent Log 2017-2019