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  • Released
  • Updated
  • July 6, 2017
  • November 25, 2025

Features

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About

Access U.S. federal regulations for the safe transportation of hazardous materials and pipeline safety. Covers regulations for classifying, handling, and packaging materials by various transport modes, as well as pipeline facility safety standards.

Hazardous Materials Regulations (HMR)
Pipeline Safety Regulations
49 CFR Parts 100-180
49 CFR Parts 190-199
Covers highway, rail, aircraft, and vessel transport
Includes design, construction, operation, and maintenance standards
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What's New in oCFR

3.8

November 25, 2025

2024 oCFR data

User reviews

App is just a white page when I try to open

App is just a blank white page when I try to open it.

This is the best 49 CFR app in existence

I promise you if you have used the free electronic 49 CFR on your computer, you will end up falling in love with this.

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FAQ

What is oCFR?

oCFR provides online access to the U.S. Department of Transportation's Pipeline and Hazardous Materials Safety Administration's (PHMSA) Hazardous Materials Regulations (HMR) and Pipeline Safety Regulations. It covers federal standards for the safe transportation of hazardous materials and pipeline operations.

What specific regulations are included in oCFR?

oCFR includes access to 49 CFR parts 100-180 for hazardous materials regulations and 49 CFR parts 190-199 for pipeline safety regulations. These cover classification, handling, packaging, design, construction, operation, maintenance, and spill response planning.

What modes of transport does oCFR cover for hazardous materials?

oCFR covers the transportation of hazardous materials by highway, rail, aircraft, and vessel. This ensures comprehensive access to regulations relevant to various shipping methods.

Is oCFR available on multiple devices?

Yes, oCFR is available for iPhone, iPad, and iPod. This allows users to access critical safety information across different Apple devices.

How often is oCFR updated?

The latest version of oCFR is 3.8, and it was last updated on November 25, 2025. This indicates that the app is actively maintained to reflect current regulations.

What is the user rating for oCFR?

oCFR has a rating of 3.7 stars from 9 ratings. This provides an indication of user satisfaction with the application.

Does oCFR have ads?

No, oCFR does not contain advertisements. As a free application from the U.S. DOT, it focuses on providing regulatory information without commercial interruptions.

What is the age rating for oCFR?

oCFR has an age rating of 4+. This means the content is generally suitable for all ages, making it accessible for a wide range of users.