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Self-Driving Cars In California: 4 Out of 48 Have Accidents, None Their Fault

An anonymous reader writes: The Associated Press reports that 48 self-driving cars have been navigating the roads of California since the state began issuing permits last year. Of those, only four have been in accidents, and none of the accidents were the fault of the autonomous driving technology. Seven different companies have tested autonomous cars on California's roads, but Google, which is responsible for almost half of them, was involved in three of the four accidents — the other one happened to a car from Delphi Automotive. All four of the accidents happened at speeds of under 10 mph, and human drivers were in control during two of them. The Delphi accident happened when another car broadsided it while its human driver was waiting to make a left turn.

The AP pieced together its report from the DMV and people who saw the accident reports. But critics note that there aren't direct channels to find this information. Since one of the chief selling points of autonomous cars is their relative safety over cars piloted by humans, the lack of official transparency is troubling. "Google, which has 23 Lexus SUVs, would not discuss its three accidents in detail." Instead, the company affirmed its cars' accidents were "a handful of minor fender-benders, light damage, no injuries, so far caused by human error and inattention."

62 of 408 comments (clear)

  1. Not yet statistically significant by bradley13 · · Score: 4, Insightful

    I expect the number haven't been publicized, because they are still to limited to have any significance, and also because the cars have been running under fairly tightly controlled conditions.

    When there are a few hundred cars, running in all kinds of weather and traffic conditions, with millions of miles - if the numbers are still good, you can bet that they will be plastered all over the internet

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    1. Re:Not yet statistically significant by Mr+D+from+63 · · Score: 2

      Yes, the data set is way to small to draw any conclusions, and key info like you say is not included, such as miles driven (only partially supplied), and where. And what are the rules for driving these vehicles autonomously vs manually? Are humans are taking over where there are more complicated or risky conditions such as a crowded parking lot?

    2. Re:Not yet statistically significant by Andy+Dodd · · Score: 2, Insightful

      There's also: "Since one of the chief selling points of autonomous cars is their relative safety over cars piloted by humans, the lack of official transparency is troubling."

      No it is NOT a selling point, because NO ONE is selling these cars yet. It is EXPECTED to be a selling point once development is complete - WHICH IT IS NOT.

      That said, it would be interesting to hear the details of Google's two autonomous accidents.

      Also, the headline is misleading... While a car may be capable of self-driving, if a human is in control when an accident occurs, then the car was not a self-driving one as far as the accident goes.

      As far as the national statistics (0.3 accidents per 100,000 miles) - those are national statistics, averaged across the entire country. Google's accidents all occurred with mileage racked up in the Bay Area, which is probably one of the worst places in the country to drive as far as hitting other vehicles.

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    3. Re:Not yet statistically significant by Junta · · Score: 2

      . While a car may be capable of self-driving, if a human is in control when an accident occurs, then the car was not a self-driving one as far as the accident goes.

      Well it is interesting in so far as knowing when the companies think they need to have human operators still. Not really so much the crash, just the portion of the time that is human versus autonomous.

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    4. Re:Not yet statistically significant by mwvdlee · · Score: 3, Interesting

      No it is NOT a selling point, because NO ONE is selling these cars yet.

      You may not be able to buy them yet, but they're certainly already selling you on the concept of it.
      The fact that we're talking about it here demonstrates that the marketing department for these cars is already in full swing.

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    5. Re:Not yet statistically significant by Alumoi · · Score: 2

      I expect the number haven't been publicized, because they are still to limited to have any significance, and also because the cars have been running under fairly tightly controlled conditions.

      So, under controlled conditions, they were still involved in accidents. I wonder what's going to happen when they let them loose. You know, under normal conditions.

    6. Re:Not yet statistically significant by BasilBrush · · Score: 4, Funny

      They say inattentiveness was the problem. I expect the drivers were wearing Google Glass at the time.

    7. Re:Not yet statistically significant by Archangel+Michael · · Score: 2, Insightful

      I suspect that "none are at fault" is probably true. But what is often left unsaid, the cars, while being legal, were doing something unexpected.

      My Great Aunt, had four car accidents in two years. None were her fault, yet they all kind of were. She was doing things in unexpected ways, that were completely legal, but not ordinary. People expect certain patterns, and when someone is outside of those patterns, it causes accidents. Not the fault, but rather the cause.

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    8. Re:Not yet statistically significant by HangingChad · · Score: 4, Insightful

      Yes, the data set is way to small to draw any conclusions,

      Not necessarily. Pick a pool of 48 cars at random and compare the accident rates. You also have to compare them by the accident rate per hour behind the wheel.

      This gets at the whole idea that self-driving cars have to meet some lofty standard of perfection to become the optimum choice. To replace people behind the wheel self-driving cars only need to be +1 better than human drivers.

      Self driving cars can't drive in the rain. Oh, really? Take a drive around Seattle in the rain, you'll discover human drivers suck in the rain, too. And that's in the rain capitol of the world where you'd expect people to be used to driving in the rain and they still suck (I lived there for 10 years so don't bother trying to deny it).

      The biggest obstacle to self-driving cars isn't rain or snow, it's something called Illusory Superiority. The vanity of humans who think they're better drivers than they really are.

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  2. Compares well by Chrisq · · Score: 5, Funny

    4 Out of 48 Have Accidents, None Their Fault

    I think that compares well to the average Californian.

    1. Re: Compares well by Anonymous Coward · · Score: 2, Funny

      California is a "no fault" state -- so every accident is always nobody's fault.

    2. Re:Compares well by Bruce+Perens · · Score: 2

      No-fault is about taking money away from lawyers, who used to litigate each and every auto accident as a lawsuit in court before the insurers would pay. Eventually the insurers decided that they spent more on lawyers than accident payments, and they had no reason to do so.

      If you want to go back to the way things were, you are welcome to spend lots of time and money in court for trivial things, and see how you like it. I will provide you with expert witness testimony for $7.50/minute plus expenses. The lawyers charge more.

      In general your insurer can figure out for themselves if you were at fault or not, and AAA insurance usually tells me when they think I was, or wasn't, when they set rates.

  3. Non-Paywalled Link by drinkypoo · · Score: 5, Informative

    Perhaps you would like to read the story somewhere other than the NYT because paywalling is stupid and offensive, even if you know how to bypass it. Thanks, Seattle Times, for just showing me the flipping article.

    Here's a news flash: You can get the same AP newswire article anywhere. Yet people still link the NYT. That's poor internet etiquette given that they paywall.

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  4. Editorializing... by Junta · · Score: 2, Insightful

    '48 self-driving cars have been navigating the roads... Of those, only four have been in accidents'

    I know that the bigger point is that zero (known) incidents can be traced to the software making a 'mistake' (though even if the other driver is 'at fault', hard to say if a human would have done better at avoidance). The thing that strikes me though is the editorial bias here. *Only* 4 out of 48.. that's nearly 10%. That's far far above the percentage for the general population. It's perfectly likely that is simply a fluke of the small sample size, but implying that 4 out of 48 is a very promising rate of incident is pretty silly.

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    1. Re:Editorializing... by gurps_npc · · Score: 3, Informative
      You missed a rather significant point in the article. Two of those accidents happened when a human WAS in control of the car (which was how they know it wasn't the car's fault), so NO, a human would not have done better at avoidance.

      The fact that of the 4 accidents that happened, none of them were the car's fault is more significant than the 10% rat.

      When any specific humans has 4 accident driving cars, on average exactly 50% of them were caused by that specific human. If I drove long enough to have 4 accidents and none of them were my fault that would be significant evidence that I am a far superior driver than the average human

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  5. Self driving babies and kids by g0tai · · Score: 3, Interesting

    This is all well and good having self driving cars, however, (ok, so this is through reading the unfortunate things that happen to people through stupidity, and malice on reddit, liveleak, etc)....

    Hopefully we'll never get to the stage where you just 'pop the infant' into the car and tell it to go to grandmas (assuming grandma is there, and nothing happens along the way). Sad, far fetched, but you can bet that this will happen somewhere and some unfortunate may be hurt as a result in something entirely preventable).

    This was a waking dream this morning. Sad thing to wake up to. Hopefully never happen.

    1. Re:Self driving babies and kids by JaredOfEuropa · · Score: 2

      It will happen. Cars get smarter but people remain as stupid as they are now. Someone will stick a baby in their self driving car, the car will stop before reaching grandma because it runs out of power and the nearest charging station Is out of commission. It is a hot day and the baby will die. The parents will of course sue. And from there on in our cars will come with a warning sticker not to let infants or mentally incompetent persons ride unattended.

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    2. Re:Self driving babies and kids by MrL0G1C · · Score: 2

      I used to walk to school when I was a kid. What is sadder, not allowing your kids to walk to school or fearing not being able to stick them in a car and send them a mile or two.

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    3. Re:Self driving babies and kids by Scottingham · · Score: 2

      Or the car refuses to leave the driveway because it detects an unaccompanied minor. Or it drives straight to the police. Or it phones the police when it becomes stranded.

      I'm pretty sure that they're accounting for human stupidity. You pretty much have to these days.
      'Car cannot drive, trunk is open'
      'Car cannot drive, human sticking out of window'
      'Car cannot drive, ...'

  6. Re:Not convinced by Shakrai · · Score: 3, Interesting

    Computers are still too stupid.

    One of the analogies I've seen at a speech on the subject went something like, "A computer can detect an object in the roadway, but it can't yet tell if it's a paper bag that can be safely run over or a rock that's apt to damage the car."

    This was a few years ago, so I don't know if it's still true or not, but it does demonstrate the programming challenge in processing something exceedingly simple that even the most inexperienced human driver would be able.

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  7. Re:Very high accident rates by beelsebob · · Score: 2

    To be fair, 2 of the accidents happened while under human control. That suggests that yes, the computers are at least as good as the humans... That said, the sample size is tiny, and critical info like miles driven is missing, so who knows.

  8. Not at fault, but was it avoidable? by mrivorey · · Score: 2

    While I get that the autonomous system wasn't at fault, the real question is, "Were the accidents something a human driver could have avoided?" I'm a professional delivery driver and one of the things that's constantly drilled into us is to essentially watch out for the stupid people. Sometimes you have to yield right-of-way because it's clear the other driver isn't going to. Do autonomous cars know that?

  9. magenta line by fche · · Score: 3, Insightful

    "a handful of minor fender-benders, light damage, no injuries, so far caused by human error and inattention"

    In case any of those were done by human co-drivers in automated vehicles, this does not exonerate the automation from some share of responsibility. For example, if the presence or habitual use of the automation makes it more likely for the co-driver to become inattentive, it's partly to blame.

  10. Avoidable? by Luthair · · Score: 2

    The autonomous may not have been at fault, but one wonders whether some of the accidents would have been avoidable by a fleshy driver.

    1. Re:Avoidable? by gurps_npc · · Score: 2

      If you read the article, you would have realized that at least two of the accidents occurred when a human was driving the car, which is why we know the autonomous was not at fault.

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  11. Simple conclusion by sunking2 · · Score: 4, Funny

    That the vast majority of human drivers around them were able to avoid accidents despite the presence of dangerous automated cars.

  12. Re:Not convinced by thaylin · · Score: 2

    You may consider it a lot, but when you consider NONE were the fault of the driver or the car itself then it is nothing at all. We cannot always get out of the way of a driver who is not paying attention. Why do you seem to be blaming the autonomous cars and not the people who caused those accidents?

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  13. Re:that's fine by Chrisq · · Score: 3, Insightful

    Self-driving cars need to be banned.

    Why - it wasn't their fault?

  14. Re:Very high accident rates by thaylin · · Score: 2

    You are not considering the mileage driven. These cars are on the road for 100k miles + a year, so consider that 4 out of 720 cars were in an accident.

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  15. Asian drivers by Thud457 · · Score: 2, Funny

    American components, Russian components, they're all made in Taiwan.

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  16. Re:Not convinced by tibit · · Score: 2, Insightful

    The giveaway with autonomous cars is the need for centimeter precision in their navigation maps.

    So, you're making shit up. At least we know who you're paid by.

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  17. Fault may not be the right measure. by goombah99 · · Score: 5, Funny

    One can be "in the right" and still not have done the right thing. For example, if the light is green I'm in the right not to slow down for the intersection. But that doesn't mean I shouldn't take precautions to check if someone is coming the other way. If I had I might have avoided the accident that was not assigned to my "fault".

    On the other hand it's also possible that google cars will be better drivers than the average person. One might hope they use different CPUs for the texting and the driving.

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    1. Re:Fault may not be the right measure. by tsqr · · Score: 4, Insightful

      One can be "in the right" and still not have done the right thing.

      Pretty much what I was thinking. Back when the Earth was a molten mass and I was taking Driver Education in high school, there was a lot of emphasis on "defensive driving"; in other words, expect the other guy to do the wrong thing, and be ready for it. When you have a mix of self-driving and human-operated cars on the road, the self-driving ones better have some extremely conservative defensive driving skills.

    2. Re:Fault may not be the right measure. by jhecht · · Score: 2

      Ever been faked out by someone doing something unexpected? The problem could be that self-driving cars don't act like we expect drivers to act.

    3. Re:Fault may not be the right measure. by tlhIngan · · Score: 2

      One can be "in the right" and still not have done the right thing. For example, if the light is green I'm in the right not to slow down for the intersection. But that doesn't mean I shouldn't take precautions to check if someone is coming the other way. If I had I might have avoided the accident that was not assigned to my "fault".

      Depending on where you are, even if you had the green, you can be assigned partial fault if you hit the idiot running the red (turning right on red, while legal, is technically running the red).

      Sure it probably won't be 50-50, but maybe 25% your fault (you should've slowed down when you noticed the car pulling out) and 75% his fault. Even 10-90 is possible. The only way it would be completely the other car's fault is if they pulled out and there was no way you could realistically slow down or avoid the accident.

    4. Re:Fault may not be the right measure. by admin7665 · · Score: 2, Insightful

      When you have a mix of self-driving and human-operated cars on the road, the self-driving ones better have some extremely conservative defensive driving skills.

      Also, expect humans to try and game the self-driving car to their benefit in trafic situations. Can't wait to see the behavior of people once they read that "changing lanes with a self-driving car parallel to you is as simple as trying to ram it - it will apply emergency brake and let you pass."

  18. Re:Not convinced by ArcadeMan · · Score: 4, Funny

    We cannot always get out of the way of a driver who is not paying attention.

    It's still better than letting computers drive. I've heard the damn things even sleep on the job. I've also heard they have a dog watching while they're asleep but that doesn't make any sense.

  19. Eye contact by Anonymous Coward · · Score: 2, Interesting

    How does one make eye contact with an autonomous vehicle at an intersection, or when merging lanes? Human drivers will have to learn a separate protocol.

  20. Re:questions by ArcadeMan · · Score: 3, Insightful

    Has it been tested on drivethru fastfood?

    Not important. In the future, you'll order food online and a drone will deliver it to your moving car. After all, if you're not driving you'll be able to eat while you're in the car.

  21. Re:that's fine by delt0r · · Score: 3, Insightful

    So who is a fault when breaks fail. It has happened. Who is a fault when tires blow out? Or fuel tanks catch fire, or airbags improperly deploy?

    Liability is nothing new and ToS cannot waive rights that are not waive able.....

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  22. AI is not predictable to humans by sinij · · Score: 2, Interesting

    Big issue with AI controlled cars in a human-dominated traffic is that AI doesn't react the same way people do. Sure, all-AI traffic would likely be more efficient and less prone to accidents, but we are nowhere near this. Instead we have AI that to humans is hard to predict.

    For example, huge puddle on the road, most humans would unwisely drive through it. What would AI do? No idea, and I wouldn't want to be driving behind it when that happens. What about a hobo at the end of the offramp begging for change? Would AI freak out about pedestrian on the road? No idea, and I wouldn't want to be driving behind it to see what happens.

    1. Re:AI is not predictable to humans by Pumpkin+Tuna · · Score: 3, Insightful

      I'm pretty sure that an AI car is never going to "freak out." The worst it might do is slow the heck down, which you, the person following, should be ready for anyway.

  23. Re:that's fine by Anonymous Coward · · Score: 2, Interesting

    Honestly, you can say it wasn't their fault, but nearly 10% of them in 6 months have been involved in accidents. Even if it wasn't the fault of the technology itself, why is the accident rate so high?

  24. Re:that's fine by hummassa · · Score: 5, Insightful

    NON-Self-driving cars need to be banned. There, I fixed it for you. :D

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  25. Re:Very high accident rates by mwvdlee · · Score: 2

    It also means that the cars aren't driving autonomously at all times.
    To me this implies that there simply isn't any comparable data yet.

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  26. Re:Very high accident rates by arth1 · · Score: 2

    You are not considering the speed they're going at and which roads they are going on. It's easy to avoid accidents when going sub-25 speeds on a predefines subset of roads. Whether you're human or not.

    Until we see some data on how autonomous cars do on all kinds of roads and driving speeds and conditions, I don't think we should extol their safety. Going 55 mph over a hilltop on a country road, or avoiding a deer is a bit different. Or a busy bumper-to-bumper city street where no-one will let you over in the next line unless you force the issue.

    I'd also ask how long it took for the car to get from A to B, and how it compares to a human driver. Time is important to people; enough so that we're willing to deal with risks to save time.

  27. Re:that's fine by Anonymous Coward · · Score: 5, Interesting

    Actually theres a historical precedent for legislation concerning semi autonomous non human traffic. Horses.

    It's not entirely as ridiculous an analogy as it initially sounds.

  28. No fault insurance, done by bradley13 · · Score: 3, Interesting

    This is why "no fault" insurance was invented. Even with people, the liability in traffic accidents is often complex. Require no-fault insurance, you insurance is responsible for you, mine is responsible for me, and you are basically done - at least as far as car insurance is concerned.

    What may be left is civil liability. If a manufacturer produces a genuinely faulty product, they can be sued in a completely separate action. The laws are already in place for that. The problem I see is the exact opposite of what you are worried about: People will sue, regardless of the quality of the product. Because bad things aren't supposed to happen, and if they do, someone must be to blame.

    So someone without insurance t-bones my autonomous car, and I want compensated. The other driver is broke, so I sue my car manufacturer. Stupid, but entirely possible under US law. Loser pays would be the simplest solution: if you file a stupid lawsuit, you'll be paying the other side's legal costs. In the case of class action suits, the attorneys for the class should be liable for the loser's legal costs if they lose.

    Before any company brings autonomous cars to market, the US tort system has got to be fixed.

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  29. It *IS* their fault by Anonymous Coward · · Score: 2, Insightful

    From the story:
    2 out of 48 have crashed by computer.
    1 out of 48 have crashed with human driver.
    1 out of 48 had someone crash into them at a junction

    Denial doesn't fix bugs here.

    It's likely they just miss a lot of the subtlety of driving, the "I think person X will do Y so I'm going to adjust my driving by Z" that goes on in peoples minds.

    1. Re:It *IS* their fault by anonymousJUGGERNAUT · · Score: 2

      2 out of 48 were under computer control when the accident occurred. That does not mean the computer systems were at fault. That just means the other two cases shouldn't even be included in the tally. It's not a self-driving car accident if a human is driving.

  30. Re:that's fine by beelsebob · · Score: 5, Insightful

    Because someone being blamable for accidents is much more important than having fewer accidents in the first place, right?

  31. Re:that's fine by knightghost · · Score: 4, Insightful

    The major part of safely driving is anticipating another driver breaking the law. Doesn't look like computers can do that yet.

  32. Re:that's fine by chihowa · · Score: 2

    Way to not demonstrate any understanding of that axiom. If self-driving cars are highly correlated with an increased number of accidents, is that not something to be concerned about?

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  33. Re:that's fine by JMJimmy · · Score: 4, Interesting

    Accident rate in general: 4-5%
    Accident rate so far with only 48 vehicles: 8-9%

    Without details I'm not going to accept "someone else's" fault as fact.

  34. Re:Not convinced by zeugma-amp · · Score: 2

    Another sticking point: A traffic cop in the street directing traffic,

    Are these cars able to deal with traffic cops? I kinda doubt it.

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  35. Re:that's fine by Alexey+Nogin · · Score: 4, Informative

    Accident rate in general: 4-5% Accident rate so far with only 48 vehicles: 8-9%

    Ah, no, the meaningful rate is accidents per miles driven, not per car. These cars are driven constantly (for testing, data collection, etc), surely way more that twice the average.

  36. Re:that's fine by Alexey+Nogin · · Score: 2

    Honestly, you can say it wasn't their fault, but nearly 10% of them in 6 months have been involved in accidents. Even if it wasn't the fault of the technology itself, why is the accident rate so high?

    Because they are constantly on the road, for testing and data collection. I would imagine that they drove more in these 6 months than many cars do in 6 years.

  37. Re:questions by jeremyp · · Score: 2

    if someone is shooting at car, how does the car react?

    As long as it's driveable, it should keep on driving - precisely the opposite of what most people would do.

    Really? I'm pretty sure, if somebody started shooting at my car, it would be pedal to the metal until I was sure they were a long way behind me.

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  38. Re:Small Sample Size by wonkey_monkey · · Score: 2

    16 is the first statistically significant sample size.

    Statistics do not work that way! Goodnight!

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  39. Re:that's fine by Jason+Levine · · Score: 2

    I believe the summary said that that humans were in control of the cars during at least 2 of the 4 incidents. You can't blame the self-driving car if the self-driving feature is disabled and the human takes over. That would be like blaming Google Maps for bad directions if you turn it off, take a left turn when Google had said to turn right, and wind up lost.

    With a 2 out of 48 accident rate, that's 4%. Of course, that's a very small sample size. It would be interesting to see how the accident rate changes with many more autonomous cars on the road.

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  40. Re:that's fine by T.E.D. · · Score: 2

    That's a good start, but there's a lot more to it than that. An experienced driver can tell when a car in the next lane wants over (even though it isn't bothering to signal), and can even guage its desperation based on how bad the "body" language is getting, and proximity to things like intersections, exits, etc. An experienced driver knows when the driver behind them in traffic is an accident waiting to happen (is that dude reading a copy of Ivanhoe or something?), and get into another lane. An experienced driver knows that the left lane across from a Starbucks is to be avoided in the morning, particularly if there are multiple late-model coupes and sedans in that lane.

    You could probably put all that smarts into an AI, but I doubt its there yet.

  41. Re:that's fine by DamnOregonian · · Score: 2

    Sigh. If you took a sample of 48 US human-driven cars, you'd have a 20% chance of getting 4 accidents out of that 48.
    I'm not trying to say that's huge, but that sample size of 48 is far too small to draw conclusions from statistics that contain millions of samples. The error bars are massive.