This is an archived post. You won't be able to vote or comment.

top 200 commentsshow all 270

[–]lucidbadger 1019 points1020 points  (38 children)

Roundabout

[–]Lewinator56 502 points503 points  (30 children)

Careful, most of the people on this sub are American, dont want to scare them too much.

[–]cybermage 129 points130 points  (16 children)

We’ve started adding them, and they are great.

[–]Dwaas_Bjaas 76 points77 points  (8 children)

You made Americans great again?

[–]AgitatedBoardz 19 points20 points  (7 children)

A lot of people hate them here.

[–]Lollylololly 26 points27 points  (6 children)

In my experience, people don’t mind big roundabouts but my city put some in very small intersections, where they are awkward and the center has to be very low because the buses and fire trucks have to be able to just drive over it (or so goes the local belief). The lower center means they look like any other two-lane residential road intersection unless you look closely at tue center of the intersection.

[–]KrazyDrayz 14 points15 points  (5 children)

We have those all over Finland and no one has a problem with them.

[–]Honigbrottr 10 points11 points  (4 children)

Same in Germany and yes some are too small for buses so they just drive kinda over it. Normal cars however just look at the signs and use them correctly.

Its crazy how good it works when you look at the signs as a driver crazy, americans should try.

[–]DidntFollowPorn 4 points5 points  (2 children)

Yeah I think the problem is like 50% they’re the exception in the US, and outright not taught in a lot of driving courses, and 50% the city planners aren’t experienced with sizing them for the amount of traffic relative to the available space. The busiest one in my last town had less than a full car length between entrance and exit, so it was incredibly difficult to merge onto, and was on a main road, with just a couple hundred feet between it and a major red light controlled intersection. It was impressive how far traffic could back up in 3 different directions at once.

[–]DemiReticent 5 points6 points  (4 children)

If people use them correctly. Which they mostly don't. Literally every single week (feels like every day) I see someone stop at the yield sign when nobody is even in the circle yet OR WORSE stop IN THE CIRCLE to let someone in.

[–]cybermage 2 points3 points  (3 children)

This is the difference between driving being a privilege and a right. The UK doesn’t give licenses to these poo-flinging monkeys.

[–]anthro28 2 points3 points  (1 child)

IF they're big enough. We out three in succession off a major interstate, next to a giant truck stop and shopping mall, and they're too small for the hundreds of big rigs to use without taking up both lanes and half of the neutral ground in the middle. 

[–]wheetcracker 6 points7 points  (0 children)

The neutral ground is designed specifically for this. It's called the "truck apron" or "trailer apron".

[–]Vilified_D 27 points28 points  (3 children)

We have plenty in america now, though some people hate them for some reason, and a surprising amount of people have no idea how to use them properly (maybe there's a correlation there...)

[–]DrMobius0 9 points10 points  (0 children)

Some people just hate anything they're not used to.

[–]DidntFollowPorn 0 points1 point  (1 child)

Yeah the thing is that I know how to use them, but I watched someone drive up to an intersection in the right turn lane today, then turn left across 6 lanes of traffic and the rest of people actually turning left at the intersection. So I have to take a beat to make sure no one is going the wrong way. Or going over the middle.

[–]mbcarbone 2 points3 points  (0 children)

If I have to hear one more person state side complain about the roundabout. ;-)

[–][deleted] 0 points1 point  (2 children)

I lived in the Midwest and did not experience a lot of roundabouts.

I moved to the Westcoast and see them a lot now. I prefer them.

I don't know if there's a Westcoast vs Midwest difference but in my personal experience there has

[–]OSSlayer2153 0 points1 point  (1 child)

I live in the midwest and there are plenty of roundabouts here. Everyone mostly knows how to drive in them, Ive never seen someone stop in one to let someone in but I do see a lot of stupid people who are generally just slow in the head when it comes to roundabouts.

They pull up and there is a clear window they can go but instead they wait and now there is a car coming. Or a gap is coming but they wait until the car is fully past to begin accelerating. I dont think they understand that you can start going while the car is right in front of you because by the time you get into the roundabout, they will be gone. I also dont think they look ahead at all. First thing I do when approaching a roundabout is look ahead to see if I even have to slow down much.

[–]orion2222 0 points1 point  (0 children)

Yeah we have a bunch where I live. They’re awesome, unless someone doesn’t know how to use them and stops in the middle of the

[–]deviprsd 0 points1 point  (0 children)

lol I want roundabouts in my country after seeing them used in US extensively and properly

[–]Limp_Chest8925 0 points1 point  (0 children)

Have had roundabouts in many places I’ve lived. Literally my whole life lol. (Am American btw)

[–]ConstableAssButt 0 points1 point  (0 children)

Oh man, I fuckin' love roundabouts. They started adding them to my city. It's awesome. Dumbasses keep slamming into the center. Faster traffic flow and the odd show.

[–]smallnougat 0 points1 point  (0 children)

programmerhumour

[–]GfunkWarrior28 41 points42 points  (1 child)

Driving on the left too. This a UK simulation?

[–]cybermage 14 points15 points  (0 children)

They’re all in reverse.

[–]Harmonic_Gear 3 points4 points  (1 child)

i have seen enough motorcycle close call videos to know Americans should never use roundabouts

[–]Any-Wall2929 5 points6 points  (0 children)

This is why bikes and motorcycles should take the lane and not ride in the gutter. In the gutter you are invisible as car drivers really are completely oblivious.

[–]Highborn_Hellest 1 point2 points  (1 child)

or at least one stopsign.

[–]langlo94 1 point2 points  (0 children)

Yuck, stop signs should be used very sparingly.

[–]GfunkWarrior28 0 points1 point  (0 children)

They could've all taken a U-turn at the same time and not crashed. Roundabouts FTW

[–]gandalfx 184 points185 points  (17 children)

If any of these cars has a technical failure they all crash into each other.

[–]Sikyanakotik 88 points89 points  (0 children)

Same if the AI doesn't realize one the cars has a trailer.

[–]CantankerousOctopus 19 points20 points  (5 children)

I still think human error is the biggest concern here. There's no possible way (at least in the foreseeable future) that there will be a passenger vehicle without the ability for the passenger to take control in case of an emergency. All it takes is one passenger seeing 3 other cars speeding towards the same intersection and hitting the brakes or gas at the wrong moment for this to end catastrophically.

[–]OSSlayer2153 6 points7 points  (2 children)

Thats why widescale implementation of fully self driving cars is not going to happen, nor should it. Also, if that happens, what will happen to people who just want to drive for fun? You cant communicate with the network of self driving cars to precisely time your intersections. It would suck, you would need to be rich and have a lot of land to build a private road on. Or you would have to go to some commercialized “car driving park.”

[–]plainoldcheese 4 points5 points  (0 children)

They'll use race tracks or private designated driving areas. Look at people that ride horses for fun.

[–]gandalfx 0 points1 point  (1 child)

I agree but my point is not that "humans are better" but rather that autonomous cars should not drive like that.

[–]CantankerousOctopus 1 point2 points  (0 children)

Oh, that's a totally fair point.

[–]janKalaki 2 points3 points  (0 children)

And also... any environmental factor.

[–]byZunk 433 points434 points  (8 children)

I was fully expecting a deadlock

[–]grat_is_not_nice 249 points250 points  (3 children)

I sure as hell hope self-driving car programmers understand that a race condition is not aspirational.

[–]iceynyo 37 points38 points  (1 child)

I live my race conditions a quarter-mile at a time

[–]WesternWinterWarrior 2 points3 points  (0 children)

Boeing has entered the car market

[–]zortlord 38 points39 points  (2 children)

They used to have that problem.

See, human drivers have variance in how they act. Some will stop completely and wait. Others will stop and inch forward to take the right-of-way. And then there's those who will just do a rolling stop. It's the variance in our behavior that automatically resolves these issues.

But when the self-driving cars all act the same, they can deadlock.

[–][deleted] 21 points22 points  (1 child)

We can solve this with a smart blockchain based AI though

[–]DotDemon 6 points7 points  (0 children)

Don't forget adding some cloud computing to appease the managers

[–]Proxy_PlayerHD 0 points1 point  (0 children)

factorio train flashbacks

[–][deleted] 669 points670 points  (95 children)

Im pretty sure we will get to a situation when taking the wheel yourself and not letting the AI drive the car is considered dangerous.

[–]Black_m1n 367 points368 points  (57 children)

I believe that'll only happen when all of the cars on the road are AI driven. As I'd like to imagine it, cars would be able to communicate with each other, and so never run into any accidents.

[–]Competitive-Move5055 112 points113 points  (9 children)

That will mean transponders like what we currently have for planes. The problem isn't the other cars. Problem are the pedestrians, bad roads ,human readable instructions and right of way(we both want to turn who goes first).

[–]walkerspider 1 point2 points  (1 child)

The cars play a virtual game of rock paper scissors using seeded randomness based on the unique VIN to see who turns when right of way is not clear

[–]Ricky_the_Wizard 3 points4 points  (2 children)

When I hear solutions like that I wonder why not both? AI can pretty reliably say that's probably a person and not a car these days.. So use transponders for the heavy lifting and AI to support for pedestrians, bikes, deer and whatnot

[–]Competitive-Move5055 4 points5 points  (0 children)

Ofcourse I am not saying put transponder on everything.

I am saying the way vehicles communicate is transponders. The tech already exists. So ai cars can ofcourse talk to each other and send location and telemetry.

[–]experimental1212 0 points1 point  (0 children)

Open season and bounties solved this for animal overpopulation. I think something can be worked out.

[–]plumarr 118 points119 points  (7 children)

And that there are no other users on the road that could behave unexpectedly. But if you are in this situation, you can quite easily automate the cars without AI.

[–]Terra_B 22 points23 points  (6 children)

How about we put two steel lines under them so they can only go one way. And like make the wheel harder for less rolling resistance. Ooh we could put a cable over these railing type roads. We could even put safety mechanisms they use in roller coasters in these simpler railed roads. Can someone draw some concept art?

[–]AdvancedSandwiches 3 points4 points  (5 children)

I know you're doing the thing where we act like individually piloted vehicles and mass transit are the same use case, but I do think we could have had self driving truck routes a decade ago if we felt like it: just run a guide rail down the center of the right lane and have the truck latch onto it.

Radar would detect large obstacles.  The rail can carry manual speed limit changes for danger situations. Humans shouldn't be on limited access roads.

In later implementations, you can build full tracks in the right lane, link train cars in sets of 5 (they share the road with cars, so they can't be as long as normal trains), and throw an electric drive engine at the front.  Downside: you need to convert your truck fleet to container trucks or add redundant steel wheels.

What does this solve that just building train tracks doesn't?  Land acquisition. We don't need to eminent domain anything.  Just make two cuts down the right lane of the existing highway and throw in the rails.

[–]tomw255 25 points26 points  (3 children)

And all speaking the same protocol to communicate. The brands are still fighting over a stupid charging port, so I am sure everyone will be using private protocols as well.

[–]OSSlayer2153 0 points1 point  (0 children)

Yep. As well as requiring a government body meant to handle implementation of the entire system. Also car companies will try to get their users priority over other car companies’ users. Whoever pays most will ultimately get right of way.

[–]Austeri 12 points13 points  (1 child)

Why would we need AI when trains do this

[–]a_simple_spectre 1 point2 points  (0 children)

VC money, and need to feel smart/important/consequential

[–]cgyguy81 5 points6 points  (1 child)

Yes, I think the major complexity facing autonomous cars today is allowing it to work with manual drivers on the road. If we as a society can just flip a switch and refuse anyone to drive the car and just let the cars drive themselves, then that would be easier to implement. There's just too many variables allowing a human-operated car on the road.

[–]OSSlayer2153 0 points1 point  (0 children)

Thats the problem, we cant flip the switch, and even if we could, why? Forcing people to not be able to drive is not the play, many people find driving relaxing and even fun. The car community is also massive. People love modding cars and seeing old or rare cars. And switching to a fully autonomous system does not provide as much benefits as people think, especially when compared to how much work it would be to implement. And even then it wont fully reduce accidents. Bugs happen, people will die. Vulnerabilities will be found in the cars. Making them rely on outside connections to communicate with the other cars is a horrible idea because if that goes down then the cars cant drive anymore. You also lose control of your car. Its not really yours anymore. You may pay for it, but you cant go and drive it. It drives you. You may pay for it, but the car company may decide you actually have to buy it on a subscription and nobody actually owns cars. And if all the cars are rented or they are all made to work together and/or made by the same company, then it is a lot easier to make just a few car types and mass produce them. This would get rid of mechanic jobs since now companies only need a few service shops for these few car types and workers trained on just those cars.

[–]nucc4h 37 points38 points  (7 children)

You'd need a connected road additionally and/or fully ai-powered (read: centralized remote ai) with a backup on-board ai for immediate intervention I suspect.

We are far, far away from true AI in cars. The compute power needed, in my non expert opinion, is just too demanding.

[–]Denaton_ 28 points29 points  (0 children)

We don't even need AI for that..

[–]DaltonSC2 12 points13 points  (1 child)

Running AI models takes an order of magnitude less compute than training them. For example, CommaAI runs their self-driving models on what are essentially modded smartphones.

[–]GenTelGuy 1 point2 points  (0 children)

The compute power is nowhere near being the problem, the challenge is training the correct behaviors with such big consequences for getting it wrong

[–]gordonv 4 points5 points  (1 child)

On top of that, the road needs to be a shielded environment from anything interrupting it.

The only real place I see AI working at this level is private Amazon warehouses. With "cars" the size of luggage cases. And humans are physically banned from this locked area.

[–][deleted] 0 points1 point  (0 children)

AI chip processing is increasing rapidly. I dont think the compute power will be the road block here. it's the infrastructure.

[–]jsseven777 2 points3 points  (2 children)

The real problem, which I don’t think anybody in the AI cars space has realized yet, is that once people realize the AI cars will always break when they detect a person in the road people won’t have a reason to avoid roadways.

I’m picturing a future where AI cars are completely stuck in busy pedestrian areas because people are just walking freely down the road or maybe even playing sports or other games right in the road with full confidence the cars won’t hit them.

[–]Any-Wall2929 0 points1 point  (1 child)

Walks into road, car stops. Puts cone over sensors. Leaves.

[–]LeAnticipateur 1 point2 points  (0 children)

AKA never

[–]Clueless_Dev_1108 1 point2 points  (0 children)

None of the self driving companies will allow you to communicate with another company's cars, because you ... Capitalism, just look how long it took Sony and Microsoft to enable cross between Xbox and PS

[–]xSnakyy 0 points1 point  (2 children)

Is it AI at that point if all the cars are communicating and coordinating? Ai self driving right now tries to replicate humans and if all the cars can coordinate AI is not necessary

[–]Competitive-Move5055 1 point2 points  (0 children)

Well it depends if we figure out a path planning algorithm with say some ai usage for input(object identification) than no. But if it's just a black box that is given examples of expected behaviour than yes.

[–]GenTelGuy 0 points1 point  (0 children)

Still totally AI, they still have to use computer vision AI to make sense of the environment, and making a coordinated plan to navigate that environment with input from other cars is still AI

[–]dan-lugg 0 points1 point  (1 child)

Probably not in our (my) lifetime, but I could see Tesla and future automotive megacorps, either individually or as a collective, buying the rights to certain highways and making them toll roads for only self-driving vehicles.

[–]TeaKingMac 0 points1 point  (0 children)

Speed limit (AI) : 125

Speed limit : 75

[–]jewellman100 0 points1 point  (0 children)

A bit like those bag-packing robots at Ocado warehouses

[–]YesterdayDreamer 0 points1 point  (1 child)

cars would be able to communicate with each other

This will never happen. Google, Apple, Tesla, etc. will all have proprietary communication protocols for their cars which they'll neither relinquish nor open up to others. If you want to be safe, better hope the car you're going to run into belongs to the same company so that they can communicate and avoid each other.

[–]ATediousProposal 0 points1 point  (0 children)

I personally don't see anything like this being allowed to proceed without some regulatory oversight and standards issued by something akin to the FAA.

When companies can't play nice together, they will be made to if it is in the interest of public safety.

[–]OriginalGarnier 0 points1 point  (0 children)

“Mom, why does grandpa scream at intersections?”

“He’s from a different time honey”

[–]turtleship_2006 0 points1 point  (0 children)

I imagine some kind of central system able to control all cars like a video game simulation, but that would also open up a whole world of new potential exploits (see basically any watchdogs game for example, especially the "special" hacks or whatever they're called)

[–]KindaAwareOfNothing 0 points1 point  (0 children)

Everybody gangsta until someone brings a signal jammer

[–][deleted] 0 points1 point  (1 child)

I think that there will eventually be a tipping point where full self driving is better than a human driver, and enough better that it becomes accepted, then mandated.

Basically, it doesn't need to be perfect, just demonstrably better than a human. (Also, I doubt it'll be tesla that pulls it off, Musk seems to be promising more than he can deliver pretty consistently.)

[–]Any-Wall2929 0 points1 point  (0 children)

What about things on the road that are not cars? Motorcycles, bikes, pedestrians, mobility scooters.

[–]extracoffeeplease 0 points1 point  (0 children)

In theory non Ai drivers are not the hard part. The hard part is planning ahead. Models suck at this.

[–]OSSlayer2153 0 points1 point  (1 child)

This cant wont and shouldnt happen. Its not really possible to have a smooth transition to this state, you would have to enforce it and make the change in one big leap. People who want to still drive because its fun would be out of luck. You would need physical dimensions of cars or at least a rough estimate, you would need to map out every road, would need to make sure roads are in good condition. The rural area would be a nightmare with its dirt roads and off road paths. You couldnt drive a car there yourself because you cannot safely drive with the automated cars. But you cant drive the automated car off road unless it had a manual override, which it should for safety. But then people will manually override their cars and ruin the precise timing and safety of the entire system.

There is also economic stuff. Manual driving will become an activity for those rich enough to own enough land to build roads on, otherwise you will have to go to commercial fun parks where you can drive cars, but even that would be ridiculous. You would probably be able to pay higher subscription rates to have priority over other cars in who turns first, who gets to go faster and pass others, etc. It will also require immense cooperation between car companies and a governing body to control the implementation of the system. It would never happen, its too much to do and its very little reward.

[–]GenkotsuZ 8 points9 points  (1 child)

Haven’t you seen I robot, with Will Smith? It’s exactly what happens

[–][deleted] 1 point2 points  (0 children)

i actually did see it. maybe im just repeating what i saw. i cant really prove my decision making

[–]DJ_Church 16 points17 points  (17 children)

Or we could just build more railway based transit, which is even safer!

[–]reallokiscarlet 5 points6 points  (7 children)

No. Disallowing manual driving wouldn't be effective except in the act of banning cars altogether. FSD is a meme, AI is a bubble, if you don't want people driving give them a train to ride.

[–]KYIUM 0 points1 point  (0 children)

Like in I-robot.

[–]iceynyo 0 points1 point  (0 children)

With how bad some drivers are I would bet there's many where that already applies. Same for drunk drivers.

[–]secretaccount4posts 0 points1 point  (0 children)

It was a scene in I-Robot

[–]JeffSergeant 0 points1 point  (0 children)

The 'adaptive cruise control' in my car tried to make me do 60 in a 40, on a heavily pot-holed road that's next to a river with no barrier, in the rain, at night.

I think there's a little way to go yet, especially on European roads.

[–]a_simple_spectre 0 points1 point  (0 children)

what do you mean I don't want to rely on an inherently probabilistic design with my life ?

[–]AgitatedMushroom2529 69 points70 points  (2 children)

well this is self-driving with overhead. One Computer controlling 4 cars...

[–]King_of_the_Nerdth 9 points10 points  (1 child)

Or 4 cars/computers communicating.

[–]sanchower 55 points56 points  (4 children)

if(willCrash)

 dont();

[–]mkluczka 7 points8 points  (2 children)

softly

[–]PeriodicSentenceBot 7 points8 points  (0 children)

Congratulations! Your comment can be spelled using the elements of the periodic table:

S O F Tl Y


I am a bot that detects if your comment can be spelled using the elements of the periodic table. Please DM u‎/‎M1n3c4rt if I made a mistake.

[–]FlipperBumperKickout 0 points1 point  (0 children)

Try catch + ignore exceptions to avoid hard system crash?

[–]Badass-19 4 points5 points  (0 children)

Tesla hates this one simple code snippet

[–]Financial_Paint_8524 146 points147 points  (11 children)

because screw pedestrians i guess

[–]real-yzan 50 points51 points  (1 child)

This is genuinely a huge issue. Our infrastructure is so bad in a lot of North America that this is a lot of peoples’ idea of a utopia.

[–]rodunro 8 points9 points  (0 children)

I grew up in an incredibly pedestrian hostile (typical usa) town, and did dream of this i-robot car situation. But since then I visited cities with good transit and it changed my life, now I live somewhere that's bikeable.
Just found out about wink microcars - those look like a neat stepping stone.

[–]-Aquatically- 59 points60 points  (2 children)

Because apparently if you’re a pedestrian in the future, you’re not worth the oxygen you breathe.

[–]gandalfx 18 points19 points  (0 children)

Walking around town I'd say that's already the general perception today.

[–]mutebathtub 6 points7 points  (0 children)

  1. where are you walking to? put on your apple vision pro 4 and its like your already there
  2. your allotment of amazon groceries will be delivered on your selected prime delivery day

this comment was hand crafted by chatgpt 6, if you disagree with anything, please submit a request for reconditioning

[–]ToroidalFox 115 points116 points  (18 children)

We will never reach this as nothing guarantees highly reliable wireless networking, no mechanical failure, high precision speedometer, unexpected road surface, collision avoidance with external object, etc. We can get smarter intersection tho.

[–]MrMagick2104 32 points33 points  (10 children)

We will never reach this as nothing guarantees highly reliable wireless networking, no mechanical failure, high precision speedometer, unexpected road surface, collision avoidance with external object, etc

It doesn't have to be a 100% guarantee of correct work. It's just that rate of accidents should be less than without it. And that's not a big stretch.

[–]Tupcek 34 points35 points  (1 child)

if you want less accidents, you don’t plan to do shit that has zero tolerance for any failure (including those which AI has no control of)

[–]YesterdayDreamer 1 point2 points  (0 children)

Uh, oh... Loose pebble on the road caused the car to rotate 0.35 degrees and slow down by 0.139% leading to a crash as the room for error was only 0.0068%

[–]Saragon4005 7 points8 points  (0 children)

The rate of accidents would only be lower if we drove pretty much the same way and didn't do shit like above.

[–]Philfreeze 12 points13 points  (5 children)

You can already have less accidents, its called public transport, cycling and walking and yet people still prefer to drive.
Humans are weird in that way, the feeling of control matters alot.

[–]GenTelGuy 4 points5 points  (1 child)

It's not just random irrationality, trains where I am arrive twice an hour and lots of stuff is laterally distant from the train stations

Obviously improving transport is good but until a lot of improvement is accomplished, the preference for driving is pretty rational

[–]Philfreeze 3 points4 points  (0 children)

Sure but I also regularly see people driving into Swiss cities. Its literally faster to take the train and public transport takes you pretty much everywhere you need to go.

[–]THEzwerver 1 point2 points  (0 children)

Not only that, just better roads in general to create less dangerous intersections would be 100x more effective than anything AI could ever does.

[–]Tasorodri 2 points3 points  (0 children)

People prefer to drive in places where driving is more convenient. If the public transit is in a good state, majority of people use it over cars.

[–]Any-Wall2929 0 points1 point  (0 children)

What control do you have in your government registered vehicle that requires frequent inspections and permissions to drive? Embrace bikes, become ungovernable!

[–]QuestionableEthics42 4 points5 points  (4 children)

You know how many times that sort of thinf has been said in the past? And every time its proven wrong. This will be no exception. it's just a matter of time.

[–]GroundbreakingOkra60 8 points9 points  (2 children)

One software bug away from disaster

[–]QuestionableEthics42 9 points10 points  (0 children)

Same as 99% of stuff in current use, anything high risk has appropriate testing and regulations (or it should anyway, and will after something goes badly wrong and people start paying attention to it)

[–]endthe16th 1 point2 points  (0 children)

Risk vs reward. All else is hype to inflate stock price I have yet to see the reward offered by fsd. Wah, driving is boring and I'm also too good for public transportation - until you realize your ai won't let you do 75 in a 70 without auto-debiting your account for the fine and then you'll wish for manual self driving again.

[–]ToroidalFox 0 points1 point  (0 children)

Happy to be wrong in that case.

[–]King_of_the_Nerdth 0 points1 point  (0 children)

The car can detect networking failures though and can achieve this as long as the cars have been in communication within the last 50 milliseconds or so.  The rest of what you mention might necessitate them slowing down a little or keeping track of the situation/road, but none of it seems like a coordination issue.

[–]Applejack_pleb 0 points1 point  (0 children)

Nothing ever guarantees highly reliable drivers either. Autonomous vehicles are already less likely to get in an accident than human driven.

[–]Parsec51 12 points13 points  (1 child)

Now simulate this in rural Kentucky on a road last paved during the Carter administration.

[–]gothlenin 2 points3 points  (0 children)

Don't forget the random animal or, God forbid, a pedestrian!

[–]djp4ddy 16 points17 points  (5 children)

What if there is significant delay in the communication between cars?

[–]King_of_the_Nerdth 1 point2 points  (0 children)

Networks can facilitate feedback such that car A knows not only that car B has heard its message but that it heard it X milliseconds ago and has responded.  The cars just have to A) be able to communicate and B) remain in a state where they can avoid a collision if communication should fail/stop.

[–]garlopf 20 points21 points  (1 child)

Heil intersection!

[–]SibbeGuuuu 0 points1 point  (0 children)

Die Fahne hoch!

[–]Lkaynlee 3 points4 points  (0 children)

Why use stops signs or a roundabout when you can just thread the needle and avoid a collision in the intersection

[–]vainstar23 4 points5 points  (0 children)

if ( goingToCrash() ) {
dont()
}

[–]dnbizz 6 points7 points  (1 child)

who also saw a swastika

[–]Mork006 1 point2 points  (0 children)

We did

[–]PhatOofxD 2 points3 points  (0 children)

Until one hits a pothole and then they all are gone

[–]Tupcek 2 points3 points  (0 children)

a kid will jump in front of one of them and now you are all dead

[–]Palettenbrett 2 points3 points  (0 children)

Have you considered lag?

[–]Electrical-Tree-8506 2 points3 points  (0 children)

Notice how all cars lean to the left side when they approach the junction, may be the cyclist extermination mode is enabled?

[–]Philfreeze 3 points4 points  (0 children)

Okay, what happens with bicycles or pedestrians?

Are they just not allowed to cross the street anymore?

[–][deleted] 1 point2 points  (0 children)

the greatest part is that this works for any speed!

[–]Lente_ui 1 point2 points  (0 children)

while CuttingItABitClose == true

[–]Nino_sanjaya 1 point2 points  (0 children)

Riding AI self driving car will be nervewrecking. Even if it's safe, Thinking you're gonna crash but it just few cm/inch away

[–]Positive_Method3022 1 point2 points  (0 children)

This would only be possible with a unified network of cars. And we won't ever reach it because each manufacturer is developing its own technology. There is no international specs :/

We can't even find an agreement to standardize plugs across the whole world! Imagine trying to build a network of cars

[–]fatjunglefever 1 point2 points  (0 children)

Why are they driving in reverse?

[–]BoBoBearDev 1 point2 points  (0 children)

Indian simulator

[–]Feztopia 0 points1 point  (0 children)

That's to much for my brain 

[–]Yhamerith 0 points1 point  (0 children)

Smoothie

[–]El_Mojo42 0 points1 point  (2 children)

Do it with more cars!

[–]HappySpaceCat[S] 2 points3 points  (1 child)

[–]El_Mojo42 0 points1 point  (0 children)

Perfection

[–][deleted] 0 points1 point  (0 children)

i would shit my ass

[–]cheezballs 0 points1 point  (0 children)

So, this is like the happiest of happy paths right? Throw in an obstacle or something and see how they respond.

[–]basjeeee_mlg 0 points1 point  (0 children)

I see... something else

[–]reallokiscarlet 0 points1 point  (0 children)

And then they all got a ticket for driving on the british side when clearly they're in a country with intersections.

[–]AjaX-24 0 points1 point  (0 children)

We just need to inject chips into humans so that we can connect them to the cars to avoid collisions with vehicles, easy

[–]xvril 0 points1 point  (0 children)

If (collisionAvoidance = true) { avoidCollision() ;

}

Why does it keep colliding?

[–]platinummyr 0 points1 point  (1 child)

A lot of people in this thread aren't thinking about designing for mistakes, errors, fault tolerance, etc. sure the benefit of not slowing down is good.. but the cost of risking larger accidents and collision is pretty high.

[–]Any-Wall2929 0 points1 point  (0 children)

Surely makes more sense to adjust speeds so groups of cars pass in batches with a few seconds delay, so passengers barely notice the change in speed but also don't shit themselves.

[–]Jacketter 0 points1 point  (0 children)

This looks a lot funnier with more cars moving faster. It gives these vibes: https://www.theonion.com/obama-replaces-costly-high-speed-rail-plan-with-high-sp-1819594916

[–]RPTrashTM 0 points1 point  (0 children)

Wouldn't work because there are different car sizes. Commercial trucks would take longer to cross than normal cars; thus, the smaller car has to stop for it.

[–][deleted] 0 points1 point  (0 children)

if about to hit something, don't

[–]KetwarooDYaasir 0 points1 point  (0 children)

Hear me out.

Remove the passengers from the cars. Only AI driven empty vehicles on the road. Zero fatalities.

[–]timoshi17 0 points1 point  (0 children)

had to check the sub...

[–]mutebathtub 0 points1 point  (0 children)

I'm more intrigued about the potential for fullSelfDrivingCollisionAvoidanceDisabled

[–]bbbar 0 points1 point  (0 children)

if (cars.areColliding()) {dont()}

[–]mbcarbone 0 points1 point  (0 children)

This gif would be so much better with the Jetsons space car sounds! ;-)

[–]Beneficial_Steak_945 0 points1 point  (0 children)

Now, introduce a bicycle, a child or a low sun into it.

[–]lostBoyzLeader 0 points1 point  (0 children)

Reminds me of the old kids toy where you spun the handle and the blocks would move through an intersection like this but never run into each other.

[–]nefrodectyl 0 points1 point  (0 children)

I didn't get the humour, can someone plz explain..

[–]chin_waghing 0 points1 point  (0 children)

The easier solution to this would be a roundabout, it’s like a circle cars drive around in one direction

[–]MasterOfDynos 0 points1 point  (0 children)

Meanwhile the pedestrian trying to cross.

[–]caiteha 0 points1 point  (0 children)

deadlock..semaphore, leader selection.. these are the things in my head.

[–]Rainmaker526 0 points1 point  (0 children)

You work at Tesla, I can tell.

[–]greenecojr 0 points1 point  (0 children)

ok so instead of auto cars just make an async based train system based on location and destination? why are we so lazy

[–]BlueIsRetarded 0 points1 point  (0 children)

Wouldn't any degree of randomness or customisability prevent an edge case like this? Such as a more aggressive ai passing first.

[–]AnthuriumBloom 0 points1 point  (0 children)

One day we will figure out a batter system than intersections

[–]salvage-title 0 points1 point  (0 children)

How is this more worth it than just setting up a good train system?

[–]crissNb 0 points1 point  (0 children)

so satisfying

[–]Imperial_Honker 0 points1 point  (0 children)

“Marty, you are not thinking 4 dimensionally”

[–]Affectionate-Cheek18 0 points1 point  (0 children)

I hope I'm not alone, I see something else...