Why don't cars have a way to contact nearby cars like fictional spaceships do?

Submitted ⁨⁨20⁩ ⁨hours⁩ ago⁩ by ⁨chicken@lemmy.dbzer0.com⁩ to ⁨nostupidquestions@lemmy.world⁩

I was watching this video of a live chicken trapped on a moving truck and thought it was strange that it’s not possible to say anything to them even when circumstances might warrant it. All we got is honking and waving. There could be a touchscreen interface with a map of nearby vehicles. It could be voice controllable or the passenger could do it for safety.

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dream_weasel@sh.itjust.works ⁨3⁩ ⁨hours⁩ ago
“sir they’re hailing us!”

“Thanks wife, put them through.”

“HEY FUCKER YOU DIDNT SIGNAL”

* my bad hand wave *

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Horsecook@sh.itjust.works ⁨19⁩ ⁨hours⁩ ago
CB radio was briefly very popular in the US in the 1970s. But the fad quickly died out among passenger car drivers, and now with cell phones, few truck drivers use it anymore. It’s mainly used to harass people.

Similarly, for a short time Airdropping on iPhones was always-on. It was mainly used to harass people.

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- Fondots@lemmy.world ⁨18⁩ ⁨hours⁩ ago
  I keep a CB radio in my car, and have a few friends with them
  
  It is actually really handy when you’re road tripping together in different cars to be able to just grab the mic and say something to the other vehicle when you need to stop for a bathroom break or you’re having an issue with your car or want to give them a heads-up about whatever.
  
  If you’re fairly close together a set of cheap FRS walkie-talkies from Walmart does the job just as well. Probably worth stepping up to CB if you expect to lose sight of the other vehicle though, range is usually a bit better.
  
  It’s especially handy if, like me, you go camping and such in rural areas with unreliable cell coverage.
  
  You do occasionally also get helpful heads-ups from truckers if you’re listening to channel 19 about road conditions, police activity, traffic, etc. but mostly it’s just idiots babbling about conspiracy theories and immature bullshit.
  
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  - Fredthefishlord@lemmy.blahaj.zone ⁨17⁩ ⁨hours⁩ ago
    Why is everyone so quick to recommend Walmart? Corpo advertising shouldn’t have a place on lemmy　, intentional or not
    
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- Demonmariner@lemmy.world ⁨7⁩ ⁨hours⁩ ago
  GMRS has mostly replaced CB now. Cheap and works better than CB at short range. Adoption has been slow, however.
  
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Dorkyd68@lemmy.world ⁨8⁩ ⁨hours⁩ ago
That sounds awful. But it does exist, its called a cb radio

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BackgrndNoize@lemmy.world ⁨8⁩ ⁨hours⁩ ago
Yeah no people are trash on average, I don’t want to get constantly pinged by trashy people while driving, I don’t even like proximity chat in games, imagine having that in real life, there’s a high chance of accidents happening due to distraction. Now if someone wants to add a little display on their car that can display some basic text messages, maybe that could be of some use

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- Azzu@lemmy.dbzer0.com ⁨8⁩ ⁨hours⁩ ago
  Hate to break it to you, but proximity chat is enabled in real life all the time.
  
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  - BackgrndNoize@lemmy.world ⁨7⁩ ⁨hours⁩ ago
    People don’t have the balls to come up to you in real life and say the stuff they say from a place of saftey and anonymity.
    
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Schlemmy@lemmy.ml ⁨14⁩ ⁨hours⁩ ago
Yeah, let’s add proximity chat to traffic. It’ll be great!

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stringere@sh.itjust.works ⁨5⁩ ⁨hours⁩ ago
Have you seen the movie Serenity? When they’re out in Reaver space, remember the radio chatter?

That’s what it would sound like.

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Routhinator@startrek.website ⁨10⁩ ⁨hours⁩ ago
This is what CB Radios are, and many more people used to have them before cell phones.

People in mountainous areas where a cell phone is useless still do.

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Proprietary_Blend@lemmy.world ⁨20⁩ ⁨hours⁩ ago
CB radio? That shit is for truckers and nerds but it was solid.

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- Cevilia@lemmy.blahaj.zone ⁨16⁩ ⁨hours⁩ ago
  Luckily, you’re on Lemmy, and we’re all nerds here
  
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- saltesc@lemmy.world ⁨15⁩ ⁨hours⁩ ago
  Use it all the time (UHF). But only get comms on other off-roaders, all the trucks, or caravamers. It’s very useful. I give out handhelds to friends if we’re travelling together.Honestly, phones are pretty shit in comparison.
  
  I’m glad it’s not popular for other drivers, though. One of the main benefits is most people don’t use it, so the bands don’t get clogged with shit.
  
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Sparkles@fedia.io ⁨9⁩ ⁨hours⁩ ago
Lady honked at me the other day for not turning left at a light (she obviously didn’t see the motorcyclists) and began making rude gestures.

Well anyway it’s probably better that we can’t talk to each other.

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- washbasin@sh.itjust.works ⁨9⁩ ⁨hours⁩ ago
  I had a similar thing happen this week. Left turn lane waiting for pedestrian and their dog to cross the road. Person behind me was losing their minds at me. I pointed at the pedestrian and shrugged.
  
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  - VindictiveJudge@lemmy.world ⁨8⁩ ⁨hours⁩ ago
    I once had someone flip me off because I put my turn signal on. We were in the right lane, I was turning right, and the left lane was completely empty.
    
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  - Sparkles@fedia.io ⁨8⁩ ⁨hours⁩ ago
    Guess we’re supposed to mow them down, idk.
    
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DeathByBigSad@sh.itjust.works ⁨14⁩ ⁨hours⁩ ago
Bruh that’s just multiplayer game voice chat IRL. Imagine chaos and trolling.

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Nemo@slrpnk.net ⁨11⁩ ⁨hours⁩ ago
Honking IS how you contact nearby vehicles.

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TheLunatickle@lemmy.zip ⁨20⁩ ⁨hours⁩ ago
Road rage.

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- queermunist@lemmy.ml ⁨19⁩ ⁨hours⁩ ago
  I think the inability to communicate makes road rage worse, actually. Simple matters that could be solved by a quick comment become rage inducing because there’s literally nothing you can do about them.
  
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  - TheLunatickle@lemmy.zip ⁨17⁩ ⁨hours⁩ ago
    I think you are severely overestimating the average maturity of humans, especially when they feel powerful as they do when driving.
    
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  - litchralee@sh.itjust.works ⁨19⁩ ⁨hours⁩ ago
    Exactly this. I’ve long had a thought that if all automobiles were like the Invisible Boatmobile from SpongeBob, then most of the suble cues between humans would make it easier to understand intentions, with corresponding reduction in misapprehension and collisions.
    
    That said, humans simply are poorly adapted to traveling at 100 kph, so whose to say if these cues are even understandable at high speed. And of course, it’s downright impossible to see those details when blinded by mutual headlights on a rural highway at night.
    
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  - thegr8goldfish@startrek.website ⁨19⁩ ⁨hours⁩ ago
    This guy gets it.
    
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MTK@lemmy.world ⁨11⁩ ⁨hours⁩ ago
It’s not a bad idea, but there are plenty of countries where it would be abused to xbox live chat levels.

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- lovely_reader@lemmy.world ⁨10⁩ ⁨hours⁩ ago
  The radios would need to have a very, very short range to avoid this. You’d need to know that everyone who can hear you can also see you (and potentially follow you if they’d like a word face to face), which is the accountability aspect that’s missing from online interactions.
  
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jeena@piefed.jeena.net ⁨19⁩ ⁨hours⁩ ago
Here in South Korea every car has the phone number of the owner displayed through the windshield so you can always call them when they parked false or so.

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- Akasazh@feddit.nl ⁨8⁩ ⁨hours⁩ ago
  Really? That seems like it could be an issue of privacy.
  
  I mean I can only imagine that people might be harassed in some way or another.
  
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  - jeena@piefed.jeena.net ⁨7⁩ ⁨minutes⁩ ago
    It’s not used for harassment because strong social norms discourage it. You would use face if you’d do it.
    
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null_dot@lemmy.dbzer0.com ⁨11⁩ ⁨hours⁩ ago
This might shock you but I dont want nearby people to be able to talk to me. Chicken or not.

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BarneyPiccolo@lemmy.today ⁨11⁩ ⁨hours⁩ ago
I used to have a cat that loved to jump up under any truck that would be delivering something. We used to tell them not to leave until we had eyes on our car. Even with that, he was such a varmint that I’d give them my business card, and tell them that if they got to their next delivery, and found him in their truck, to call me, and I’ll come get him.

Luckily, our precautions worked, but he was a troublemaker.

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MrsDoyle@sh.itjust.works ⁨13⁩ ⁨hours⁩ ago
I do a lot of water sports in the UK and we use VHF radios. Certain frequencies are used by marinas and the like, and nearby boats will be tuned into them. Then there is a frequency used for emergency calls - the coastguard listens on that and answers, and will move your call to another frequency for more details, leaving the mayday one open again.

We mainly use VHF for boat-to-boat comms, or boat-to-shore. The local range is decent - a few miles from our base, depending on atmospheric conditions, obstacles etc. I honestly have no idea if you could use VHF radios between cars though. It’s not private for a start - everyone can hear you - and once someone is yammering on the marina frequency no-one else can transmit. So it’s just brief messages with protocols.

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higgsboson@piefed.social ⁨20⁩ ⁨hours⁩ ago
They do. Some people poat their radio frequency their car.

You could publish you phone number right on your car. See how it goes.

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Kolanaki@pawb.social ⁨20⁩ ⁨hours⁩ ago
We do…?

It’s called a CB radio. Though usually it’s only semi-trucks and enthusiasts that use 'em.

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- bluGill@fedia.io ⁨18⁩ ⁨hours⁩ ago
  Extept in very rural areas there are far too many people around for it to be useful. Unless somehow we can enforce strict rules on what you are allowed to say.
  
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FuglyDuck@lemmy.world ⁨20⁩ ⁨hours⁩ ago
I absolutely would not want an open channel to everyone around me. The potential for abuse is too high.

Imagine the giant trucks road raging because you’re in the left lane and only going +20 the speed limit. Or the old creeps hitting on teenagers.

And then there’s the privacy concerns. In order to connect to your car-specifically- it has to know your car is there. Which means your car is constantly putting out a beacon. This would be similar to how cell phones work - and are now being used by merchants and advertisers like Walmart to track where you go in stores.

And then there’s the security concerns of people pushing malware.

And then there’s the question of distractions from having to respond to people reaching out or shutting them up or whatever.

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- thegr8goldfish@startrek.website ⁨19⁩ ⁨hours⁩ ago
  
  Imagine the giant trucks road raging because you’re in the left lane and only going +20 the speed limit. Or the old creeps hitting on teenagers.
  
  What if we instead imagine the truck drivers politely asking you to move over? What if the ability to communicate freely with other drivers made the experience closer to walking in a crowd. I’m imagining something that allows all vehicles within a certain radius to hear one another so you can communicate with courtesy. I think a lot of road rage stems from our frustrations with our inability to communicate (and be held accountable) by the people around us.
  
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  - FuglyDuck@lemmy.world ⁨18⁩ ⁨hours⁩ ago
    
    What if we instead imagine the truck drivers politely asking you to move over? What if the ability to communicate freely with other drivers made the experience closer to walking in a crowd. I’m imagining something that allows all vehicles within a certain radius to hear one another so you can communicate with courtesy. I think a lot of road rage stems from our frustrations with our inability to communicate (and be held accountable) by the people around us.
    
    Yeah. No. I don’t know where you are, but when someone is angry at the inconvenience of having to slow down to merely reckless speeds… they’re not going to be capable of civil discourse. If they were capable of civility… they wouldn’t have been angry in the first place.
    
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  - litchralee@sh.itjust.works ⁨19⁩ ⁨hours⁩ ago
    
    What if the ability to communicate freely with other drivers made the experience closer to walking in a crowd.
    
    In a dense crowd, the information being exchanged amongst the crowd is enormous. It is a constant negotiation, of different parties trying to get somewhere but also trying (hopefully) to respect other people’s space. And the stakes are lower, because bumping into someone is fine at 1 kph but totally unacceptable at 50 kph. And humans are dynamically adjustable, like raising ones arms so that a stroller can pass more easily. Cars can’t really do that (except Transformers: Robots In Disguise).
    
    In a crowded bazaar, the bandwidth from reading people’s facial cues, from seeing whether they’re distracted by goods on display or from their Instagram posts, plus what people actually say – and what they don’t say – and how quickly or slowly they walk. All of that is context that is necessary to participate in the activity of passing through the crowd, and I think that cost-optimized technology to exchange the same amount of info while also needing to react 50x faster and deterministically, with safety standards suitable for 2-tonne machines that already kill and maim thousands per year, that’s not really feasible.
    
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- oyo@lemmy.zip ⁨18⁩ ⁨hours⁩ ago
  What lane you’re in has nothing to do with the speed limit. If you’re the slower traffic, keep right. Always keep right unless you’re overtaking.
  
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  - Cevilia@lemmy.blahaj.zone ⁨16⁩ ⁨hours⁩ ago
    Terrible advice. If you’re not actively overtaking you’re supposed to always be in the left lane.
    
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  - FuglyDuck@lemmy.world ⁨13⁩ ⁨hours⁩ ago
    "What lane your in has nothing to do with speed limit… keep right… "
    
    Left lane.
    
    And your advice is actually somewhat incorrect, depending on the context your in. In more rural areas, sure. In more urban areas… there are dozens of reasons why you need to keep left- including taking a left exit.
    
    Or, you know, like how at that speed your usually passing everyone else…
    
    And just for the record, I don’t know where you are, but here… +20 is considered a felony. it’s incredibly stupid to drive that fast on a highway… never mind not on a highway.
    
    people that go +20 and faster? They’re putting everyone’s lives at risk and statistically it’s only a matter of time before they kill someone. Hopefully something happens to teach them why it’s fucking stupid before it goes that far.
    
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  - illi@piefed.social ⁨17⁩ ⁨hours⁩ ago
    I will return to right lane as soon as I finish overtaking and it is safe for me to do so.
    
    But keep the fucking safe distance while ai do so. If you slow down a few meters before me, instead of few centimeters, it won’t delay you much.
    
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xxce2AAb@feddit.dk ⁨20⁩ ⁨hours⁩ ago
Dude, people can’t handle the complexity of simply driving the vehicle as it is. Bad things happen when adding handling dynamic communications into the mix with people who aren’t trained to the level of combat pilots. That’s why we don’t let people juggle a cell phone while driving.

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dsilverz@calckey.world ⁨19⁩ ⁨hours⁩ ago
@chicken@lemmy.dbzer0.com @nostupidquestions@lemmy.world

One day I was driving on a highway at roughly 80km/h (no idea how much is it in miles per hour, we use metric around here), and there was a car almost glued to the back of the car I was driving, totally ignoring the "following/tracking distance" thing we're used to learn during driving school (the faster the vehicles, the farther they should be from one another, so if the vehicle ahead needs to do a sudden break, the vehicle behind have the time to react and break as well with no collisions). The car I was driving has a quite sensitive break light: a gentle push is enough for the breaking light to light up without actuating the breaking system (not ABS, it's an old car), so I had a quite unusual idea: Morse coding "DISTANCE" to the driver in the car behind through the breaking lights, using extremely gently pushes on the breaking pedal while I kept driving. I'm not sure if the driver could understand Morse, but at least I tried.

And that's a problem for your scenario where "nearby cars" were to contact each other: even though they could listen to each other, could they actually understand each other?
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- bluGill@fedia.io ⁨18⁩ ⁨hours⁩ ago
  Divide kmh by two and round toethe nearest 5/10 is close enough to mph for discussion purposes. It is off at times, but for discussion purposes it is close enough that your impression of how they drive is the same. (90 vs 100 kmh - not enough to matter in discussion - it matters in court so don't try this in the real world)
  
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Zwuzelmaus@feddit.org ⁨20⁩ ⁨hours⁩ ago
You describe contacting the people in nearby cars.

That’s something different than contacting nearby cars.

The latter is developed currently by the car industry. The former has been mentioned: CB radio.

But in both cases: maybe they are not interested in listening to you ;-)

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- chicken@lemmy.dbzer0.com ⁨15⁩ ⁨hours⁩ ago
  I just want a way to save the chicken :(
  
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litchralee@sh.itjust.works ⁨19⁩ ⁨hours⁩ ago
As a thought experiment, I’m prepared to momentarily set aside the practical and societal issues to see whether a mechanism for motorists to communicate to any other nearby motorists would have a use.

To set some ground rules, I think it’s fair to assert that such a communication mechanism is not meant for lollygagging, but would be used for some sort of operational reason that is related to driving a motor vehicle. So the use-cases would be broader than just safety or traffic management, and could include coordination between drivers all heading to the same place. This criteria means we won’t require the generality of a mobile phone network (which can call anyone) and instead is very local.

Some examples that might use this mechanism:

Broadcasting a safety hazard to motorists further behind, such as objects in the road or right after a sharp curve

Telling a specific car that their trailer has lost a strap, that it is flailing in the wind, and it might get caught under the rear wheels

Informing all cars in the camping group platoon that you’ll be stopping at Micky-D’s for a bathroom break, and they should keep going

For two cars that already drove over some sharp road debris, they can look at each other’s cars to relay any observable damage, to decide whether to stop on the shoulderless highway or keep driving to an exit

This selection of examples represent exigent circumstances that arise while driving, rather than something which could have been planned/coordinated in advance. More over, they cover scenarios that are one-to-many or one-to-one, as well as unilateral messages or bilateral conversations.

We need to also consider what existing cues already exist between motorists, some of which are quite dated:

Honking (so that someone else will do something that fixes the situation)

Waving through (to indicate that you are yielding and they can proceed)

Turning an invisible crank (asking them to roll down their window, despite manual windows being very uncommon now in the USA)

High-beam flashing (to request they change lanes so that you can pass them; or at an intersection, that you’re yielding and they can proceed)

Stopping and opening the hood (the time-tested signal that your car has malfunctioned and you need assistance)

Turning on hazard lights (you have unexpectedly stopped somewhere and cannot move; or you are traveling very slowly; or otherwise, some unspecified hazard exists and you need space to manoeuvre and everyone should be on-alert)

Left/right indicators (you are going to turn or change lanes; if a parking space, you are claiming that parking space)

Before we even check if these existing cues can be used for the examples above, we can see there are already a fair amount of them. The problem with cues, though, is that they might not be universally understood (eg a motorist from flat Nebraska might not understand the hazard lights on a slow-going truck climbing up Tejon Pass heading in/out of Los Angeles). Moreso, some cues are downright dangerous in certain circumstances, such as waving a motorist into an intersection but neither could see the oncoming fire truck that strikes them.

Notice that for all these cues, only fairly simply messages can be conveyed, and for anything more complicated, it is necessary to “turn the invisible crank”, meaning that you and them need to roll down your windows and talk directly about what the complex situation is. So if a situation is simple, then it’s likely one of the existing cues will work. But if not, then maybe our new car-to-car system might turn out to be useful. Let’s find out.

Scenario 1 is partially addressed by one very long honk or using hazard lights, depending on if the hazard is avoidable or if the hazard requires all traffic to halt. If it is about a small object in the road, then perhaps no message is needed at all, since we assume all motorists are paying attention to the road. If the hazard is a hidden one – such as behind a curve or it’s black-ice – then only hazard lights would help, but it might not be clear to following motorists what the issue is. They would only know to remain alert.

A broadcast system could be effective, but only to a point: motorists cannot spend more than a sentence or maybe even a few words to understand some situation that may only be seconds away. We know this from how roadway signs are written: terse and unambiguous. So if a broadcast system did exist for hazards, then it must be something which can be described in fewer than maybe 5 words. This means the system isn’t useful for info about which parking lots at LAX have room, for example.

Scenario 2 involves a hazard that is moving, and can be addressed by honking and high-beams to get the motorist’s attention. There is no ability to convey the precise nature of the hazard, but outside of nighttime environments where people may be hesitant to stop just because someone is trying to tell them something on a rural Interstate, this generally is enough to prevent a roadway calamity.

But supposing we did want to use our new system to send that motorist a message, the same concern from earlier must be respected: it is improper to flood a motorist with too much info when the driving task doesn’t really allow for much time to do anything else. An apt comparison would be to air transport pilots, where a jetliner at cruising altitude actually does have a lot of spare time, but not when preparing for takeoff or landing. Driving an automobile is a continual task, and for the time when a car is stopped at a traffic light, then there is virtually no need for a car-to-car communication system; just yell. The need for ACARS for automobiles [pun intended] is looking less useful, so far.

Scenario 3 is similar to Scenario 2, but is a one-to-many message. But given how such exchanges tend to also become multilateral (“can you get me a Big Mac as well?” and “well, we don’t have to be at the camp site until 4:20”), this once again starts to become a distraction from the driving task.

Scenario 4 is probably the most unique, because it rarely happens: motorists always have the option of stopping, although stopping can itself create a hazard if the location is not great (eg left lane on an American freeway). It would be truly unusual for two cars to have struck something AND then need to quickly decide if they can press on toward the nearest exit (eg minor body damage) or if they must stop immediately (eg a fuel rupture that starts a small fire beneath the vehicle) AND there is someone else who can mutually exchange info about the damage.

It’s such a contrived scenario, because I actually made it up, based on the similar situation that occurs for aircraft that suffer damage while in the air. In such situations, the pilot would need external support, which can come from a nearby aircraft, or ATC, or an escort fighter jet. For example, if an aircraft cannot confirm safe extension of the landing gear, diagnosing the problem is helped by a nearby news helicopter confirming that the landing gear is clearly visible and locked.

Alternatively, if a departing aircraft has struck a piece of metal dropped by an earlier Continental Airlines DC-10, and that bit of metal causes the left tire to explode, further causing a fuel rupture from the left tank and an uncontrollable fire slowly destroying the wing, it would be very useful if ATC can tell the pilots ASAP before the aircraft is going too fast to abort the takeoff, resulting in an inability to fly and an eventual crash into a hotel.

I bring up my contrived automobile Scenario 4 because it shows how things could always be slightly different if a small factor was simply changed, if maybe there were better warnings to the pilots from their aircraft, or if the Continental plane was better maintained, or if Charles de Gaulle ATC was just a little bit faster to radio to the pilots. So it’s perfectly natural to think that by having this one aspect of the driving experience changed, maybe there’s a lot of value we could get from it. Indeed, the Swiss Cheese Model of accident causation tells us that any one layer could have been different and thus stop the holes from lining up.

But from this thought experiment, we can see that the existing cues between motorists already serve the most common reasons for needing to communicate while on the road. And anything more complicated messages than “I would like to pass” become a distraction and thus less useful and more dangerous in practice. Aviation knows full-well the dangers of introducing a fix which ends up causing more problems in the long-run.
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- sem@lemmy.blahaj.zone ⁨11⁩ ⁨hours⁩ ago
  I will add one more: a quick once-or-twice blink of the hazard lights indicates “thank you” if someone let’s you merge in front of them, etc.
  
  This seems analogous to the video game “Killing Floor”, albeit with much lower stakes. This game is an FPS, and playing it requires your attention. Voice chat exists, similar to CB radio in cars, but many people opt out, to avoid the distraction.
  
  The game has a “quick chat” feature which cannot be disabled, which allows for messages like “follow me,” “get out of here”, “medic”, “thank you” and a few others.
  
  Perhaps a quick chat system for cars would be an improvent over the ambiguous “hazard lights / high beams / honk” messages which can be misunderstood.
  
  Although the first concern would be to limit their potential for abuse / distraction.
  
  Possible messages:
  
  My vehicle is stopped
  
  My vehicle is moving slowly
  
  Hazard ahead
  
  Let me pass
  
  Wait
  
  Thank you
  
  Turn on your headlights
  
  Turn off your high beams
  
  You have a light out
  
  Something is wrong with your vehicle
  
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deadbeef79000@lemmy.nz ⁨18⁩ ⁨hours⁩ ago
The horn and a middle finger are already well entrenched as communication tools.

The quality is quite poor, but I’m reasonably sure that being able to talk to at people sounds worse.

Having said that, the idea of CB radio is cool.

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rumschlumpel@feddit.org ⁨20⁩ ⁨hours⁩ ago
AFAIK, freight trucks/lorries can contact each other, through radio. But imagine how much worse road rage would be if you could shit-talk other drivers over radio. Would be funny, though.

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- bryndos@fedia.io ⁨20⁩ ⁨hours⁩ ago
  I am the night riderrrrrr!!!!!!
  
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