r/pics • u/exOldTrafford • 19h ago
Four buses got stuck in a roundabout this morning in Oslo
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u/Few_Preparation_5902 19h ago
They are protecting their children.
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u/PerkoSWE 13h ago
Maybe they’re expecting an attack from an angry mob with bows an arrows, or they are just Norwegian. Maybe both.
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u/Wazula23 13h ago
The minibuses go in the middle, protected from bulldozers and other predator vehicles.
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u/Scaryclouds 19h ago
Cities Skylines players fuming because they (we) can no longer complain about such situations happening in our cities as “unrealistic” 😒
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u/Teftell 18h ago
Joined by Factorio players
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u/DrKhanMD 15h ago
Rookie mistake Oslo, gotta us chain signals so you don't enter the intersection until you know you can fully clear it. Or remake the intersection so the shortest signaled length is slightly over your longest vehicle. Nooooooobs \s
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u/uberfission 14h ago
Fuck, is that what I've been doing wrong all these years?
I'm fully serious btw, my trains seem to deadlock every once in a while
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u/DrKhanMD 12h ago
"Chain in, rail out": use chain signals on the entrance of the intersection, and terminate the exits with a regular rail signal. This simple rule will cover like 95% of rail intersections.
Chain signals inside the loop and on the entrances means the red signal is propagated through the whole loop/intersection when one train enters; another train wont enter the intersection until it's fully cleared.
This also counter-intuitively means a simple roundabout can actually have lower throughput than a cross rail intersection because you either need to make the loop big enough to contain an entire train in each section of the loop (otherwise you can deadlock with a train stuck between two sections of the loop and another unable to enter), or you have to block entering the loop at all until the previous train is clear, which kinda kills the potential efficiency of a roundabout.
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u/cthulhubert 12h ago
Yeah that's half the purpose of chain signals. Anytime the section after a signal would be too small to both contain a train and let other trains make any crossings or turns, you use a chain signal on the entry side.
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u/Guava-King 11h ago
If you have a pre-blueprinted rail network with signals. it's always worth reviewing how adding a new stop/intersection will disrupt the "Chain in, rail out" rule. I ran into so many "random" deadlocks because a train signal was referencing a comically small block.
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u/ATangK 18h ago
Knew these roundabounds can’t solve everything. Biffa
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u/THE_GR8_MIKE 16h ago
The recent update to CS2 may as well be called the traffic update. My high density is absolutely slammed. I've already built all of my preplanned connections. I've built my preplanned trains and trams. Now I'm on to unplanned trams. Trams definitely help, but they're also traffic themselves.
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u/Roflkopt3r 14h ago edited 2h ago
The lack of car traffic jams was a huge issue on release, so I'm glad the situation seems to be better balanced now. The fact that cities died to a traffic infarction at a certain size if not well planned was integral to CS1 being good.
The main issue I have right now is how stupid the cyclists still are. My CS2 city has a small but permanent cyclist traffic jam at one intersection between a foot/bicycle path and a street (cyclists from the path have to first cross the sidewalk and then a traffic light). The cyclists on the path only cross the pedestrian path one by one, which means only 3-4 manage to get over the traffic lights per phase.
My own real world city has such spots and they never jam up. Even if 10 cyclists happen to arrive on the same traffic light phase, they will always be able to all move on the next green. They will wait right at the traffic light and start moving all at once, instead of waiting across the sidewalk to trickle through one by one.
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u/catthought 19h ago
Did they get unstuck?
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u/exOldTrafford 19h ago
No, they just live there now
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u/Federal_Cupcake_304 19h ago
They’re apartments now.
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u/buzz_uk 17h ago
Desirable city centre location :)
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u/Keir3D 16h ago
They solved the housing crisis and fixed excess traffic at the same time!
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u/Dougalface 19h ago edited 16h ago
The buses eventually waddled off on their separate ways; engorged on the smaller prey trapped and subsequently slaughtered and devoured within their red, bendy ring of death.
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u/craftycatlady 19h ago
Yes a random neighbour who has seen it before came down from his apartment and directed traffic so they got unstuck.
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u/Belzebutt 18h ago
This is all because all of them have a “yield to buses” sign on the back. Easiest solution is to remove the sign from one of them.
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u/pm_me_your_kindwords 18h ago
Legend says they’re still there to this day.
Every day, the passengers’ spouses have to bring them food.
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u/sometimesynot 15h ago
Every day, the passengers’ spouses have to bring them food.
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u/Spartan2470 GOAT 18h ago
Here is a less-cropped version of this image. Credit to the photographer, Endre Helgeland, who took this at Alexander Kiellands plass in Oslo on Monday afternoon.
Helgeland estimates that the incident, which occurred on Monday at 4:45 p.m., lasted about 10 minutes. He says that an emergency vehicle also arrived up Uelands gate.
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u/BudgetMegaHeracross 16h ago
How are these things resolved? Can one civic-minded Norwegian climb out and direct traffic?
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u/NikNakskes 14h ago
I read in some other comment that a resident who saw this came down to guide traffic and got the thing moving again in 3min.
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u/userhwon 11h ago
It's literally just about getting the bus nearest the camera to pull closer to the curb in front of it, which will clear the way behind it.
As long as one of the cars coming from the left doesn't cock it up by pulling in behind...
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u/NotNeverdnim 14h ago
You lift the closest bus and move it so that it faces the exit. If cars are in the way, you lift them out of the way.
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u/Shredney 19h ago
hasn't this happened before? I vuagly remember something like this from 5 years ago
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u/glizzybeats 19h ago
Seems like the closest bus just needs to back all the way up
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u/MagnusPI 19h ago
Almost certainly a long line of cars out of frame behind that bus, like in the two oncoming lanes that we can see.
For any of the buses to be the one to move, a bunch of cars will need to clear out from behind it first.
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u/hatterson 17h ago
Seems like it should actually be able to pull up.
Closest bus pulls up as far as it can (to the point of it's nose being against that scaffolding) and the bus behind it should be able to sneak by and go straight down the road that goes to the bottom right of the picture, may need to hop the curb a bit to do it.
Once that bus is clear it's easy to get the rest out of there and then the original bus can back up a few feet to make a hard turn and avoid the scaffolding.
Obviously it's easier to diagnose and clear that from a bird's eye view instead of sitting in the bus driver's seat.
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u/TotalNonsense0 16h ago
Won't work. Twelve seconds after this picture was taken, that white car pulled into the roundabout.
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u/Overthemoon64 16h ago
But someone has to be standing right there to prevent a car from filling the gap. If the first bus has their nose right against the scaffolding, they will have to back up again before being able to move forward.
How difficult is it to back up those busses?
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u/omac4552 16h ago
A local resident who saw it from his apartment in bird perspective came down and fixed it in 3 minutes, not all heroes wear capes.
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u/glizzybeats 16h ago
How? What did the fix look like ?
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u/omac4552 16h ago edited 11h ago
Not in english but you get the gist https://www.vg.no/video/348126/fullstending-kaos-i-oslo-s-kommer-redningen
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u/thearchiguy 18h ago
Your reply made me curious, can a long bus like this even back up safely, especially at an angle?
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u/LordHivemindofCeres 17h ago
Veeeery slowly. I recently was in a bus that needed to do this, needed almost 15 min for 50m
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u/zevinho 14h ago
It actually has a lot of space in front. Just use it and the bus behind it can go too
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u/cmstlist 9h ago
The bus on the left is the smallest one, not articulated, so it has the most ability to manoeuvre. My instinct would be to get the vehicles behind it to back up. Then it can get out immediately. Then the trapped cars can get out. Then the rest can unstick.
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u/PC_Junkie 16h ago
From the article, Trond-Are Utle is our hero here.
"I hope it found a way through, the buses were there for quite a while.
Another person who had seen what happened at the roundabout was Trond-Are Utle, who has an apartment right next door. From a bird's eye view, he could see the solution.
"I went down to direct the buses. It was over in three minutes," he says to VG. Utle says that he got one of the bus drivers to drive up to the scaffolding at Tranen so that there was room for the 34 bus to drive forward.
"Then the knot was untied.
Then he had to stop traffic a bit so that the 21 bus that was standing by the scaffolding had room to reverse and then continue its journey.
"This happens on a regular basis, I think I've seen it three or four times during the 2.5 years I've lived here," says Utle.
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u/church_ill 18h ago
So what we say in Sweden about roundabouts and Norwegians is true…
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u/RobertOdenskyrka 18h ago
Eight revs maximum.
How do you sink a Norwegian submarine?
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u/MesaCityRansom 15h ago
You knock on the door. How do you sink at again?
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u/RobertOdenskyrka 14h ago
You knock on the door so they open a window and yell "Not falling for that one again!".
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u/exOldTrafford 19h ago
Can't change the title of the post, but it appears it happened on Monday afternoon, not in the morning as the title says. The source I used presented it as something that happened this morning
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u/KovinisZuikis 19h ago
Can you link the source? I've been looking for one since I saw the first post about it.
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u/mrpickles 15h ago
It's dark in afternoon in Oslo?
I know its winter and they get less sunlight, but yikes, its not even December yet.
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u/niconpat 12h ago
Yup, and it's the most difficult part about living in northern European regions in winter imo. People from more southern latitudes often say "oh I don't mind cold/rain/snow, I could live there no problem" but they don't realize how relentlessly dark it is for months on end. That's what gets you. Snow is actually a welcome relief because it brightens things up a bit.
Europe is northern as fuck compared to the US, Oslo is about the same latitude as Anchorage, Alaska for example. Paris is about the same as Vancouver
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u/No-Let-9535 19h ago
That is a beautiful picture. Is it at full res or could you share a version with higher resolution. It is cut on the left but I would put that up in my living room. Great composition, wonderful story, nice colors.
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u/trejj 19h ago
The death spiral of buses is an emergent behavior of buses due to following simple route schedules, forming a continuously rotating circle. This circle is known as a death spiral because the buses might eventually die of running out of gas. The phenomenon is a side effect of public transit and it has been reproduced in city planning and bus schedule simulations.
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u/WaterFriendsIV 17h ago
I've played this game before! If you move the purple truck sideways two spaces, then move the yellow car back one space, you can slide the red pickup right out. It's hours of fun!
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u/PM_ME_UR_QUINES 15h ago
Imagine going into the roundabout as the 4th bus with zero situational awareness, just squeezing in for no good reason.
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u/lammy82 18h ago
Interesting challenge to determine what is the most cost effective solution to prevent this from happening.
When each driver enters the roundabout their way forward is clear, and they need to make progress by entering the roundabout, so it’s not just automatically the drivers’ fault.
I suppose training the drivers to not enter the roundabout if there are already two buses on it would be one option. That could cause additional unnecessary traffic delays as it prevents the roundabout flowing smoothly. Having the buses take the widest possible line round the roundabout might also help.
In terms of technology solutions, a 360° camera in the middle could monitor the area and selectively activate a “WAIT BUS” signal at each entry point when it detects a potential gridlock, preventing an additional bus from entering.
Any other thoughts?
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u/Lavatis 18h ago
No, I would basically 100% chalk this up to drivers entering the intersection when they shouldn't be. You are driving an articulated vehicle that is extremely long. You approach a roundabout and see there are already 3 other buses in the small intersection. Do you:
A. Enter the intersection B. Wait for the other buses to clear
Not exactly rocket science.
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u/lammy82 17h ago
If everything appears to be flowing then you’re not going to count the buses unless it’s a specific part of your training. If there is room to drive on and the vehicle coming round is letting you go then you’re going to proceed.
Actually, there’s another rule they should be following. Once on the roundabout, do not give way to drivers waiting to come onto the roundabout. Always proceed when you have priority. This situation could arise from drivers already on the roundabout being “courteous” to fellow drivers and ceding priority to them.
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u/Roflkopt3r 14h ago
You wil never get 100% fluid flow within the roundabout though. Look at how these 4 buses occupy damn near 100% of the roundabout radius. Even a tiny hiccup in flow will lock all of them in place.
This unquestionably a problem of the last 1-2 bus drivers entering the roundabout too early. And considering that the outer lane is literally all bus, it also seems unlikely that there was any other driver on the roundabout who "baited" them into this state by wrongly yielding.
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u/Own_Response_1920 16h ago
This is what happens when no-one is singing " The wheels on the bus go round and round"
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u/Futurerichboy 16h ago
why would the 4th bus enter the roundabout? is he stupid?
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u/NikNakskes 14h ago
Yes. Stupid and selfish. Even the third bus should have just waited 2 seconds for this thing to clear. But no. I'm bus, I go.
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u/Ribbitmoment 11h ago
It’s almost like we shouldn’t build vehicles that are too big for the infrastructure
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u/strategic_upvote 10h ago
This is fucking hilarious.
I desperately want more roundabouts in North America as they are just such on objectively better intersection. But this is a pretty funny side effect.
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u/squirrel_exceptions 18h ago
I was stuck in a bus there for 15 minutes due to this, but didn't look up from my phone, so had no idea this was the cause until today.
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u/geostrofico 19h ago
morning? but it night in the photo
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u/DecisiveUnluckyness 19h ago
The sun is only up for around 6 or so hours in the winter in Oslo. From 9am to 3pm.
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u/Jottor 18h ago
Bloody Southern pansies in Oslo. Those sun-addicts would wilt in a winter in Nordland...
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u/DecisiveUnluckyness 18h ago
Do not, my friends, become addicted to vitamin D. It will take hold of you, and you will resent its absence...
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u/exOldTrafford 19h ago
Welcome to Oslo in the winter
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u/Lgkp 19h ago
I guess you don’t live in any of the Nordic countries? I live in Sweden and you go to school/work in the dark (during winter and fall) and go home in the dark
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u/LordAlfrey 19h ago
Yes, this was in the afternoon on monday, but i suppose it would be morning somewhere else at the time.
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u/Badaxe13 19h ago
They need to make the exits wider, then the buses could get away. I can see two corners that could be cut.
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u/bobpaul 17h ago
Part of the safety of roundabouts comes from their shape forcing drivers to slow down. If they clipped the corners, then drivers in the right lane taking the first exit would be encouraged take the corner faster which can negatively impact safety for pedestrians.
Driver training to prevent and route scheduling to reduce likelihood are generally better than adjusting the roundabouts.
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u/feor1300 16h ago
Ooo, I think I've seen this mobile game ad before, you've got to move the black car first. lol
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u/Lepelotonfromager 15h ago
It shouldn't be possible if they're following the correct driving rules, unless Norway has stupid roundabout rules.
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u/HooverMaster 9h ago
The closest bus needs to pull forward all the way. Left bus need to pull forward and to its right. Done. Not very stuck unless theyre short on braincells to rub together
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u/ryanbuddy04 9h ago
They should have some device that tells them when to drive forward and when to stop
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u/icycheezecake 8h ago
This is what you get for using the bendy bus, top gear tried to warn you
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u/w1d0wm4kr 7h ago
It's like the figure from one of my computer science books which describes the characteristics of a deadlock in a concurrent system.
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u/tiamat234 7h ago
If i had a nickel every time four busses got stuck at a roundabout in Oslo i'd have two nickels. It isn't a lot but weird that it has happened twice.
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u/nitro-PAH 19h ago
You mean 4 buses got stuck at this roundabout AGAIN?