This guy states it's been happening for 2 years.
He demonstrates it on 2 versions.
There are plenty of other examples
What doe this say about 'FSD' & robotaxi potential?
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Why does FSD run so many red lights?
- Thread starter hooty
- Start date
This guy states it's been happening for 2 years.
He demonstrates it on 2 versions.
There are plenty of other examples
What doe this say about 'FSD' & robotaxi potential?
EVRider-FL
Active Member
FWIW, FSD Beta hasn’t run any red lights for me, but I’m sure it happens. This is one of numerous issues that need to be fixed in order to reach full autonomy. Like many others here, I believe that’s years away, assuming it can even happen with the current hardware suite. Unlike many others here, I’m not bothered by that, since I never expected it to happen sooner, despite Elon’s wildly optimistic predictions.
With very large complex intersections or intersections at non-perpendicular angles, the system can think the wrong light or no light is controlling its lane.
Not entirely sure how this would be solved without relying more heavily on map data as training to properly assign lights at odd angles etc introduces new room for error. The system needs to understand the configuration of the full intersection.
Not entirely sure how this would be solved without relying more heavily on map data as training to properly assign lights at odd angles etc introduces new room for error. The system needs to understand the configuration of the full intersection.
KArnold
Active Member
This. Happened to me - FSD 11.4.4 Runs Red Light
If you can see cross traffic lights when stopped and first in line - be very careful. It's a somewhat serious bug IMHO.
Yeh I've noticed this across different iterations over the years and you'll see it particularly when the intersection is at an odd angle, anything significantly off from 90 degrees can throw a wrench into the light vs lane assignment.
Makes sense when you think about how the system is trained using video clips etc, most intersections being simple crosses with right angles and pretty standardized light positions
Tam
Well-Known Member
It's a legitimate question.
Tesla said your car will make money by picking up fares while you are busy at work or sleeping at home.
Thus, if it keeps running red light, will the $500 ticket for each incident cut into the profits?
Tam
Well-Known Member
Maybe current FSD is coded by humans.
Elon said during the FSD12 demo:
"There’s no line of code that says slowdown for speed bumps. So, it’s doing this based entirely on video training”.
Coding by humans can be faulty.
In over a year of using FSD almost every day, I've only had it mishandle a red light once. This was in downtown Washington, DC where the lights are on the side of the road. It stopped properly, but tried to proceed as if it were a stop sign.
99.9% of the time it has been flawless (for me).
Tam
Well-Known Member
Since the question from this thread is "Why". Your answer is: because it is the wrong version.
Thus, why does this wrong version run a red light, and how the right version will not run the red light?
It's only about 3 months left before 2023 is over:
Elon Musk Says Teslas Will Be Self-Driving By The End Of The Year, Again
I will get a Tesla tattoo if Musk gets actual self-driving cars on the road by December 31, 2023.
jalopnik.com
GalacticHero
M3-AWD+
I've had it do this one. It was not a particularly complicated intersection. It's between a semi major 4 lane road and a minor two lane road. I was on the 4 lane road. It pulled into the left turn lane and stopped at the red arrow. Then after a moment it just decided to go! It was a huge surprise as I'd never had it misinterpret a light signal before, but I hit the brakes before it moved very far. Could it have been repositioning itself for some reason? Possibly, but it's not a thing to chance. There would be no pressing need to reposition in any case until the arrow went green.
This is on an intersection I travel very regularly. It has never repeated.
This is on an intersection I travel very regularly. It has never repeated.
99.9% accuracy (which FSD isn't anywhere near) isn't sufficient for robotaxiing.
I think this is more effective than nagging! This should keep you watching the road with hands on the steering wheel when using FSD beta! 
Many of the FSDb problems, like this one and the lane choice issues many other people report, and the excessive speed limit changes, are a consequence of inadequate or inaccurate map data.
Now we see why the other L4 robotaxi companies have to do significant geographical tuning & testing: they aren't mapping every single sign with lidar like Waymo started out doing, but they're verifying that their map datasets are clean and accurate and annotated with enough information for L4 driving in the geo region in question.
Tesla doesn't even try to do this, and there is no easy way even for users to submit it, or anybody to take in such reports. It's heavy on human labor and not glamorous and that sort of project doesn't excite His Elonness.
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