Tesla lately launched a brand new replace to its Car Security Report, revealing knowledge for the fourth quarter of 2022.
The voluntarily revealed quarterly experiences embody the variety of miles pushed per one accident registered when utilizing Autopilot know-how, not utilizing Autopilot know-how, and the US common (NHTSA and FHWA knowledge) as a background.
The information offers us glimpses of how Autopilot improves automobile security nevertheless it has some limitations (extra on that on the backside of this put up) because of the methodology. For instance, Tesla counts all accidents, whatever the trigger, even if greater than 35 % of all Autopilot crashes happen when the Tesla automobile is rear-ended by one other automobile, the corporate says.
In keeping with Tesla, the variety of miles pushed per one accident registered, when utilizing Autopilot know-how, amounted to 4.85 million miles pushed – an 11.5 % improve year-over-year. That is a optimistic signal.
On the identical time, the consequence was noticeably decrease than within the earlier three quarters, however we won’t actually examine totally different seasons.
A very powerful factor is that there are fewer crashes registered yearly, so far as fourth quarters are thought of.
With out utilizing Autopilot know-how, Tesla automobiles statistically be aware extra accidents. In This fall 2022, it was one accident per 1.40 million miles pushed (8 % greater than a yr in the past).
There’s a vital distinction between the 2 modes of driving (with or with out Autopilot) and the distinction continues to extend.
Nevertheless, we should be aware that the 2 knowledge units shouldn’t be in contrast towards one another, except for offering us with some thought of the numbers.
It is vital to notice that the outcomes are comparable solely inside a selected class (Autopilot or with out Autopilot), not between the classes because the enter knowledge is perhaps broadly totally different (like easy freeway driving or complicated metropolis driving). In different phrases, we are able to solely see whether or not the lively security methods are enhancing over time (and it is also solely a tough comparability), however we won’t examine Autopilot to non-Autopilot driving.
We assume that the right use of Autopilot improves security, however Tesla’s report doesn’t permit us to judge the distinction.
Beneath we connected a full chart with all numbers supplied by the producer plus NHTSA and FHWA knowledge in regards to the common distance between an vehicle crash in the USA.
The distinction is fairly enormous, however as soon as once more, we should not actually examine the numbers instantly. The US common consists of additionally a a lot older automobile fleet (with fewer security methods), which alone is an enormous issue. The US common is 0.652 million miles (there was no replace in a very long time).
Tesla has its personal model of the chart:
- knowledge for every setting is perhaps collected at totally different driving eventualities (like easy freeway driving or complicated metropolis driving), which makes the outcomes incomparable between the classes
- outcomes is perhaps affected by varied elements, together with seasonality (diminished daylight, climate circumstances), much less driving throughout lockdown
- NHTSA and FHWA common for the US (up to date hardly ever) consists of all vehicles, additionally previous
- Tesla’s information in regards to the methodology of registering accidents:
“We gather the quantity of miles traveled by every automobile with Autopilot lively or in guide driving, primarily based on obtainable knowledge we obtain from the fleet, and accomplish that with out figuring out particular automobiles to guard privateness. We additionally obtain a crash alert anytime a crash is reported to us from the fleet, which can embody knowledge about whether or not Autopilot was lively on the time of affect. To make sure our statistics are conservative, we depend any crash through which Autopilot was deactivated inside 5 seconds earlier than affect, and we depend all crashes through which the incident alert indicated an airbag or different lively restraint deployed. (Our crash statistics will not be primarily based on pattern knowledge units or estimates.) In observe, this correlates to just about any crash at about 12 mph (20 kph) or above, relying on the crash forces generated. We don’t differentiate primarily based on the kind of crash or fault (For instance, greater than 35% of all Autopilot crashes happen when the Tesla automobile is rear-ended by one other automobile). On this method, we’re assured that the statistics we share unquestionably present the advantages of Autopilot.”
- assuming the methodology was not modified, we are able to see how every class improves over time