Autonomous Cars Elon Musk

Published on December 23rd, 2015 | by Steve Hanley


Elon Musk Says Level 4 System Ready In 2 Years

December 23rd, 2015 by  

Elon Musk

In a wide ranging interview with Fortune on his way to watch the SpaceX launch on Monday, Elon Musk said Level 4 autonomous driving will be possible within 2 years. Earlier this year, he told reporters he thought such capability was 5 to 6 years away. Why the change?

Musk tweeted a few weeks ago that he is looking for software engineers to work on Tesla’s Autopilot suite of autonomous driving programs, calling it a “super high priority.” The Autopilot project reports directly to him. What Elon wants, Elon gets. People at Tesla are accustomed to doing the impossible ahead of time and under budget. If you can’t do that, you don’t work there. Simple as that.

Level 4 autonomous cars must be able to “perform all safety critical functions for an entire trip. This includes both occupied and unoccupied vehicles,” according to the US Department of Transportation. Musk told Fortune that even though the software will be available in two years, it will take another year until regulators are convinced it is safe to use on public roads. “The point at which it becomes statistically clear that an autonomous car is safer, I think, regulators will be comfortable with allowing it,” he says.

During that year, the software will operate in “shadow mode,” comparing what it is programmed to do with what actually happens in real world driving. Using artificial intelligence algorithms, it will teach itself how to deal effectively with what Musk calls “corner cases.” Those are the millions of unknown and unknowable situations that human drivers face every day. The distracted pedestrian who dashes into traffic unexpectedly. The skateboarder who completes a perfect Ollie but lands in the middle of a crosswalk. The moment when a car runs a stop sign or slips sideways on an icy road.

Tesla has already turned its cars into one of the most advanced artificial intelligence networks in history. All of its cars with the Autopilot suite of sensors and software installed learn from their daily driving experiences and share that knowledge with each other. If there is road construction in Terre Haute, your Tesla will know about it, even if you live in Walla Walla and are driving in Indiana for the first time.

That’s exactly the kind of learning Musk expects Tesla’s Level 4 systems will do while working in “shadow mode,” waiting for regulators to turn them loose on public roads. He expects the network to provide the data regulators will rely on when deciding Level 4 autonomy is safe.

Tesla will not have the field for self driving cars all to itself, however. Google and Ford have just agreed to a partnership to produce autonomous cars. Faraday Future will unveil its self driving car at the Consumer Electronics Show in January. Apple is still poking around with its Project Titan program. NextEV is making noise in China. Atieva has secured major funding for its new car project. And Uber is hot on the trail of building its own autonomous cars, assuming Tesla won’t be supplying it with cars any time soon.

But Tesla expects to be the firstest with the mostest when it comes to self driving cars. Its Autopilot system is already years ahead of its competitors and getting smarter every day. If I was a betting man, I would put my money on Musk — to win.


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I have been a car nut since the days when Rob Walker and Henry N. Manney, III graced the pages of Road & Track. Today, I use my trusty Miata for TSD rallies and occasional track days at Lime Rock and Watkins Glen. If it moves on wheels, I'm interested in it. Please follow me on Google + and Twitter.

  • evfan

    I assume that autonomous driving will be a slow transition where driver assistance gets better and better over time and goes fully automated only after several years. I think Elon Musk is telling us the technology is ready, but I am not so sure about the public, regulators or insurance companies.

    • Steve Hanley

      I suspect you are right. : – )

  • evfan

    I think the most profitable use of autonomous driving would be the semi trucks that roam the freeways. They have to park several hours every day to let the drivers rest. That costs a ton of money. I wonder why we see no news about autonomous trucks.

  • Jacob

    I thought the headline meant level 4 recharging!

  • tedder42

    typo: “into traffic unesxpectedly”

    “shadow mode” is the biggest “cloud” (ugh) related thing we’ve heard from the autonomous driving companies. Most of the discussion is focused around individual cars, when the reality is there’s a lot of scenarios that can be recomputed, data to be shared, etc.

  • Brian W

    Speaking of Terre Haute, how about a Tesla SuperCharger there? As it is, a person from Indianapolis can barely make a business trip to Terre Haute, stay for three days, and make it home…….

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