UL 4600: Standard for Safety for the Evaluation of Autonomous Products

ANSI/UL 4600 provides a way to assess the safety case for an autonomous vehicle. The first edition was issued in April 2020, with a second edition issued March 2022. This was the first comprehensive standard for public road autonomous vehicle safety to cover both urban and highway use cases.

Get a copy of the standard:

• Downloadable voting draft version of the first edition. / (archive.org mirror)
  • This is the version that was used for the final consensus voting. While changes have been made, it can be very useful for students and those wanting to get an idea of what is in the official version of the standard.
• Free digital view version from UL.org
  • Ignore the price tag and select the "Digital View" button, not the purchase options button. This is the entire official standard. It is viewable in a browser, but not downloadable. Free account registration is required.
  • There is also a link to purchase the standard. Purchase is NOT required for few digital view.
  • There are also links to additional information. If there are any pending proposals under consideration for a new version you can see those proposals there for free as well.
• Official UL.org landing page: https://ul.org/UL4600
• Current voting members of the Standards Technical Panel (hosted by UL.org)

Educational resources:

• Book: Koopman, The UL 4600 Guidebook, 2022

• UL 4600 3rd edition webinar recording (Youtube video | archive.org video | slides)
  • Full webinar from UL.org (registration wall)
• Key ideas for 4600: 23 minute video. (YouTube video | archive.org video | slides)
• Koopman, P., "UL 4600: What to Include in an Autonomous Vehicle Safety Case," IEEE Computer, 2023.
• Koopman et al., A Safety Standard Approach for Fully Autonomous Vehicles, WAISE 2019.
• Summary of changes in the 2nd edition.

• ANSI/UL 4600 Frequently Asked Questions (FAQ)

This web site is not affiliated with Underwriters Laboratories Stadnards & Engagement (ULSE), which publishes ANSI/UL 4600. Nor is it affiliated with any other UL entity.
Updated December 2022.