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Illustration: Aïda Amer/Axios

A new study from the insurance industry that suggests automated vehicles will stop only about one-third of crashes is a reminder that much of what we hear and read about AVs should be taken with a grain of salt.

The big picture: Human error plays a role in 94% of crashes, according to U.S. government statistics, which is why automation is often held up as a potential life saver.

What they did: The Insurance Institute for Highway Safety, a well-known research organization, studied more than 5,000 crashes, separating them into five categories:

  • Sensing and perceiving errors like driver distraction (24%)
  • Predicting errors like misjudging how fast another vehicle is going (17%)
  • Planning and deciding errors like speeding or driving aggressively (39%)
  • Execution and performance errors like overreaction during a defensive maneuver (23%)
  • Incapacitation like drunken driving or falling asleep at the wheel. (10%)

What they found: IIHS concluded computer-controlled robocars will prevent about 34% of accidents, but may be no better than humans in avoiding the rest, AP reported.

Yes, but: Partners for Automated Vehicle Education, a coalition of AV companies and advocacy groups, took issue with some of the study's assumptions, which it said "raise questions about its conclusions."

Between the lines: IIHS assumed AVs will see better than humans and won't drive drunk — both reasonable assumptions — accounting for 34% of the crashes avoided.

  • The remaining two-thirds might still occur, IIHS said, unless autonomous vehicles are specifically programmed to avoid the other types of errors humans make in predicting, decision-making and execution.
  • But as PAVE wrote in a blog post, that's "like saying that a marble won’t roll very far if it's not round."

My thought bubble: Isn't this what AV developers are trying to do? Designing self-driving cars to be safer than a human is difficult, which is why it's taking so long.

  • Engineers are trying to get it right, but it's possible they'll make mistakes, which would be an entirely different type of potentially avoidable human error.

Go deeper: Why driverless cars could save far fewer lives than expected

Go deeper

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From Malcolm X to "Free Britney," new media shapes the justice system

Illustration: Shoshana Gordon/Axios

True crime documentaries, podcasts and social media campaigns are bringing new attention to real-world legal proceedings — and are often affecting the outcome.

Why it matters: New media platforms can instantly put a national spotlight on cases that have long been forgotten or buried under red tape.

Updated 11 hours ago - Health

The next big bottleneck in the global vaccination effort

Illustration: Rae Cook/Axios

The world still needs more coronavirus vaccines, but an additional bottleneck has emerged in many low-income countries: They need help getting shots in arms.

Why it matters: Increasing vaccination rates across the world is both a humanitarian necessity and the best way to prevent dangerous new variants from emerging, but it increasingly requires complex problem-solving.

Updated 11 hours ago - Health

COVID-19 Omicron variant cases identified in Europe, U.K.

People wearing masks walk in London on Nov. 25. Photo: Li Ying/Xinhua via Getty Images

Health officials in the United Kingdom, Italy and Germany announced on Saturday that they've detected the first known cases of the new COVID-19 Omicron variant.

Why it matters: The discoveries come as the world scrambles to respond to concerns over the new variant, discovered in South Africa earlier this week.