Google's driverless cars follow all the traffic rules perfectly. That's actually a big problem.

Google's driverless car
(Image credit: Justin Sullivan/Getty Images)

Google's self-driving cars are really, really good at following traffic safety rules. But they still get into crashes — because human drivers are so bad at following the rules.

Since 2009, Google's driverless cars have been in 16 car crashes, with every single case being the fault of a human driver. The company was responsible for a crash only once — when a human employee, and not the computer, was controlling the self-driving car. Indeed, when Google's driverless cars follow the rules to the T, they actually get into trouble:

One Google car, in a test in 2009, couldn't get through a four-way stop because its sensors kept waiting for other (human) drivers to stop completely and let it go. The human drivers kept inching forward, looking for the advantage — paralyzing Google's robot. [The New York Times]

"The real problem is that the car is too safe," one expert explained. "They have to learn to be aggressive in the right amount, and the right amount depends on the culture."

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Consider:

[Google's car] leaves what is considered the safe distance between itself and the car ahead. This also happens to be enough space for a car in an adjoining lane to squeeze into, and, [Nationwide Insurance safety expert Bill] Windsor said, they often tried. [The New York Times]

Dmitri Dolgov, the head of Google's Self-Driving Car Project, was blunt about the solution: For driverless cars to work the way they're supposed to, human drivers simply need to be "less idiotic."

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Jeva Lange

Jeva Lange was the executive editor at TheWeek.com. She formerly served as The Week's deputy editor and culture critic. She is also a contributor to Screen Slate, and her writing has appeared in The New York Daily News, The Awl, Vice, and Gothamist, among other publications. Jeva lives in New York City. Follow her on Twitter.