Why I'm Finally Rejecting Roundabouts in Cities Skylines...!
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- čas přidán 29. 08. 2022
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Part of the reason why cars weren't taking the overpass in that one direction at all and using the roundabout is because they were being forced to turn left from both lanes once they came off the ramp. You allowed them to change lanes from left to center but they still had to turn left at the intersection immediately after the ramp.
I saw that and was just screaming lol
@@mickadile6275 THANK YOU for putting it in nice words...
People were saying that in the last video as well LOL
Biffa should pin this reply up here 😂
Yeah, the only "go there's" you want to use on a roundabout are at the exits and would be: the outer lane off, the mid-lane moving to the outside and the inner lane should stick to the same lane with the option to drift out to the middle lane. That gives them the option to stick to the inner lane as long as they need to, even if they're U-turning. You also need the "give way" and the "take any opportunity without waiting for the other car to clear the junction first" option (I forget the proper name) so they'll not stick around as much at the junction, but will slot in whenever possible.
Oh and make them 30mph and as large as possible... it makes more spaces and, therefore, opportunities for people to join. With the upcoming DLC, you might even look to make it 20 mph...
I think biffa is falling into the trap he's always teaching to avoid. He's micromanging on straight away roads that by the time they get to an intersection they are forced to do a move then causing more traffic later.
lets be honest its hard not to correct dumb ai lol. i'm much worst in that i try to clear traffic with managing gave ways signs on roundabouts. they are just slightly slower than the rate at which the traffic gathers up.
im thinking of dragging the highway all the way down to the middle of the city over the major road. (kinda like the two direction of road
biffa had going into the city.)
Cause you american and roundabouts confuse and scare you?
@@danquaylesitsspeltpotatoe8307 Ur a dink
@@BebbaDubbs LOl your an americurn is confused and scared by round abouts!
Just like you are scared by metric!
"I DONT UNDERSTAND"
There's a trick I like to use for spreading traffic out over more lanes that I wish he'd try.
Lane restrictions restricting traffic on certain lanes to certain types.
So haavy traffic on some lanes, passenger cars on some, public transportation, emergency services and taxies on some.
Makes it feel more realistic while still working well with the AI.
There *are* traffic patterns where that doesn't solve all the problems, like when most of your traffic is of *one* type anyway, and it's *that* traffic that you're trying to split up into multiple lanes...
But honestly, I still prefer this approach and may play with max speed on a lane and linked time traffic lights in order to just clear out those questions faster instead of necessarily splitting them up.
After all, if it's all heavy transportation for instance I don't necessarily *care* if they need some time to get past the traffic light.
They're not blocking the way for the emergency services, public transportation etc killing of my city, and you can usually work out ways to avoid getting to a point where they'll start despawnig despite keeping despawn turned off or glitching through traffic.
And at 18:56
I'd honestly shorten the minimum, increase the max to as high as possible on the main road, then just change to no one waiting, then set all the others to flow = 0 i *think*?
It's a few years since I played around with this.
I don't know.
I just know that I managed to get a main road that was essentially a strode working by figuring out a way where most of the time the main road was driving at full speed, but occasionally the other lanes would open up and clear off into the main road and the switches could be really fast if needed.
Biffa: The traffic is getting better!
Us: No sir, everyone is just leaving or dead because they have no water. 😂
Biffa's being very politically correct there yeah 🤪
That's one way to get rid of traffic 😅
@@Caro2Late biffa is the name of a bin company...?
@@wow-roblox8370 read channel names much?
Biffa: *I see that as an absolute win*
*laughs in British*
3:55 "I felt a great disturbance, as if millions of voices suddenly cried out in terror and were suddenly silenced. I fear something terrible has happened."
The problem with the over pass is that it goes to a turning lane, if it was just a straight through, it would work!
Beatings will continue until traffic improves!
thank you i saw that
Your overpass was the right idea but on the wrong roads. The traffic from the highway needed a direct overpass straight over to remove it from the roundabout and the traffic from the city needed a direct overpass to the highway. This would have allowed more vehicles on the city exit to enter the roundabout as they have less volume to yield too preventing that traffic building up.
As a video idea, can you try all the comments suggestions in a "would it have worked" thing - similar to your traffic fixing series. You could call it "Everyone's an expert!" :)
Like you apparently
The roundabout needed a major redesign.
And the blocks next to it breaking up. It was supposed to be a feeder roundabout that lets traffic move out across the city to other destinations, instead it was cluttered with traffic getting from A to B in the same region.
Presumably the fix was to relocate the roundabout to the other side and build new feeder roads to ease congestion.
I agree the overpass was over constrained and probably could have done with replacing with a different less elegant design, but the root cause was allowing through traffic within the city to block exports/imports/intercity traffic. If we offer out drivers better alternative paths they won't clutter the busy intersection as much.
btw I would just like to point out that roundabouts are not bad, it was just a bad place to put one, for all intended proposes the roundabout he removed had 3 active roads leading into it, that is not where you should be using a roundabout. You use a roundabout where you would otherwise have to use a 4 way intersection where you actually have traffic on all 4 roads, and you don't have the space for an interchange.
If that had been a proper 4 way intersection replacing it with traffic lights would have made it worse, he is just going to have the replace it with an interchange when he actually has traffic on the currently inactive road. The right choice would have been to build an interchange now so he doesn't have to mess with it later.
Also building an underground fast road between the industrial area and far comical zones because he has intercity traffic mixing with the traffic trying to get in and out of the city, bad plan unless you have interchanges to filter out that traffic before they hit intersection, intersections and roundabouts are a bad place to be sorting your intercity traffic from traffic leaving or entering your city.
Ohh jeezz that would be the greatest video!!!
we genuinely need a series where biffa does make everything worse
Yeah, that sounds like a great idea, but, he has to do it with roundabouts, everywhere. lol
Spooky Halloween 'fix'
unfix your city ... halloween edition, send in a perfectly good city, and see if he can tweek the traffic to 10%
that is the topic of his channnnellll !!!!
Well, in this series he is doing a lot of mistakes every week that in fact makes everything worse
The roundabout is high enough capacity the issue is they just can't get out of the junction because cars can't go when there's already a car in the node and the node's are very big. You'd either need to make the nodes smaller or allow cars to go into 'blocked' junctions
Thank you! From when he started the British themed city, he started to make the nodes too big saying "so they have space", where in fact this thing has the completely opposite effect because vehicles start to go in the roundabout al lot before the actual road intersection and make more blocking. If he would have increased the size by a little of the roundabout and used standard nodes the traffic would have flown better than with the traffic light. I wrote this so many times that in the end I gave up
@@Ripper346. oh gosh, others have noticed the mistake :( i hope he notices one of us eventually
Biffa destroys overpass roundabout without first fixing so the overpass doesn't force cars to turn left.
"Am I forcing people in a lane? Yes I am! Let me fix that." and doesn't fix it. People coming from the highway in the left lane still can't go right turn. They're still forced to go straight or left.
I came here to say this!
@@RealCloudArchitect same
Never thought this day would come where biffa replaces a roundabout with traffic lights
The world is ending and this confirms it. I've had a feeling but...this proves it...or he's been kidnapped
I told the wife: "This is it! Get the kids in the bunker!"
I thought it was an April fools Day video had to check the date
It's because he put it in the wrong place, for all intended proposes it was a 3 way intersection because he hasn't built off the 4th road yet. In a 3 way intersection traffic lights make more sense because you need significantly less steps in the traffic lights and more traffic can move at any given time vs a 4 way intersection, and he has made the mistake of building for now rather than for later. He should have replaced the roundabouts with a interchange because once there is any real traffic on the 4th road those traffic lights are going to grind everything to a halt, in that case even a roundabout would be better, but still fail.
Also you use a roundabout on a 3 way intersection in the case that you don't have enough room for traffic to queue between transitions before the next intersection and only in moderate traffic areas.
He could use a roundabout, but it was for inter-city traffic and inner city traffic specifically industrial traffic, if he had built a railway from the industal area to the other side of the city he could have kept the roundabout which will be more fit for propose once it becomes a real 4 road intersection.
@@Etheoma Imagine how much better the light is that even with a wasted cycle it beats the roudabout by a mile
The problem with the bus/metro lines is that you're connecting too many things together with bus lines. The way the tiers are supposed to work is that buses collect people from residential areas and take them to metros. Metros then take them to other areas and buses spread them out into the new areas. You shouldn't have bus lines transporting people between other transit hubs, that's what metro/trains are for.
The transport DLC does have combined hubs for this purpose - if you just have bus hubs, you'd connect those via dedicated bus/coach lines via the Freeways/BRT. I'd like to see the same city connected via Metro/Tram/Bus, and one with just Bus/dedicated BRT lines/HOV lines (the second being what most US cities actually have). If you can afford trams instead of the bendy buses (which don't fit in the stops!), I'd go for that. For me, it should be trains off-map / from one side to the other, metro to connect 1-3 grid squares, trams to connect within areas and buses to run between radials.
@@kenrohde6841 Precisely, I love Biffa's videos but he does insist on running huge bus lines across half the map and from major hub to major hub.
I always use bus/tram to connect neighborhoods to metro/monorail which connect to intercity train/bus/ or air/sea. Ferries/blimps I use to connect tourism spots. Finally taxis for direct point a to point b. Generally monorail I use to connect university and sports complex directly to intercity travel.
Somebody call Yorkshire tea company. Biffa obviously had a lower than usual intake of tea. Somebody please! Help him!
around 3:30 maybe they don't use the over pass as both of the lane options at the end, end up going let and they want to go straight on.
edit(I like to comment before I see Biffa solve to see if I end up in the same solution:
16:20 they do it because the exit from the city is forced into certain lane after the intersection. There seems to be several cases where (at least I think so) it would be beneficial to not force the traffic coming from the intersection into any lanes. So on the lanes towards intersection force out of the not (this of course relies on that there is no need to force on the next intersection) otherwise it ends up being chain reaction to boiling brains.
Just the title alone is a surprise coming from the roundabout enthusiast biffa
Some cars entering the city are being forced to either go straight ahead or left and are unable to turn right, otherwise excellent upgrade 😃
Came here to say this, it was a similar problem with the overpass you had as well, would of worked fine if you reconfigured the lane connectors.
He almost fixed it at 12:09, just not quite. Now cars wanting to turn right will probably turn left and do a U turn at the end of that short road.
@@anita750 yeah 😅 main issue is lack of space really, though merging the roads earlier would allow space for an extra node to change lanes
My only suggestion would be a turbo roundabout, but I definitley would say that a high-capacity junction should be there. This just isn't the proper use case for a roundabout.
Agreed - if the volume is that high, it's more of a highway intersection and not a junction any more - perhaps a Trumpet might be a better option?
It'll be a tight fit with most solutions but should be possible. Also remember that so far there is nothing on the other side of the river. Once that changes...
@@kaltaron1284 There are some compact interchange designs on the Steam workshop, such as a small windmill which is about the same size as the roundabout that he had in.
@@wolfen210959 Sounds promising.
@@BFalconUK why the hell are you guys talking about huge highway style intersections, when Biffa solved the issue with a simple and compact junction with timed traffic lights?
9:24 the right merge lane is forced to turn right at the intersection. Hugo there needs to have the outside late going to the right and center and left lane on the asymmetrical. The inside lane can only go straight or turn left, so it also needs to be able to go to all 3 lanes. Lol, you made the exact same issue you had on the previous junction, just on the opposite side.
6:35 Canvas Point, because you just know every single one of those water towers is going to become a magnet for all of the graffiti artists in the city especially with visibility from the bridge and lack of road access means no police patrols to interrupt.
You've done this, haven't you? 😄
It's not "unsightly graffiti"! It's a public art space! :)
New skylines DLC! Citizens get creative on assets, more interaction and acts as tourist zones.
The road pack you’re using has an asymmetrical 4+2 lane medium road that you could do dedicated left & right turn lanes, & 2 straight lanes. I feel like that would help significantly at the new intersection.
A name for the Island: The Kettle, or Teapot Island. since that's where all the water for your *Tea* is coming from
Yes!
That roundabout into the city would probably run more smoothly without the whole giveway thing, a lot of the vehicles are stopping and giving way for far too long when in real life they'd be a lot more opportunistic to get onto the roundabout, half the time forcing vehicles on the roundabout to slow down to let them out.
but that is stupid.
a roundabout keeps moving, because the vehicles on the roundabout have priorits over those that want to get on.
if the vehicles that want to get on had priority over those allready on it, then the roundabout would overflow at some point because nobody gets out but everybody gets in.
I've seen big roundabouts with traffic lights on them so you get blocks of cars going around. they all join at the same point but they can all leave at their own exit without having to wait for other traffic. very efficient
Maybe is to fast the roundabout, also maybe toll boots can slow down the traffic, allow the IA choose different path to enter the higway (in Italy all the entrance in highway have roundabout and toll boots)
Which is why I don't like the giveway sign and I almost never use it unless the road that is giving way isn't very busy
Also the fact that they are not allowed to occupy the node when its full (hugo through). At 6:04 you can see that the city outbound lane only ever lets a few cars and then everyone waits for no reason because the triangle thing there makes the nodes to close together
I saw the title and immediately checked if it was April 1st
Your monorail lines really don't need to be over the roadways for the most part. There's plenty of room for off-road private right-of-ways. That would straighten the lines out, which would have the added benefits of greater speeds.
Given that the city is surrounded by water, dare I suggest that you add a couple looping ferry routes? I don't know how useful it would be, but it would add another transit option as well as put some activity on the rivers. Looks like you might have to unlock a couple more tiles, though.
22:31 I love how two cars just casually drive through the station and train tracks
35:20 That intersection only lets people turn left or right, they are not allowed to move straight.
I found your channel months ago and since then I’ve come to really enjoy your videos. I’m absolute trash at this game but your voice and watching you fix a cities issues, I’ve really enjoyed
Roundabouts usually only work best when the high traffic comes in from opposing directions. They’re coming in on right angles with that one and it slows down the ‘old stroad’ traffic
Biffa, At 35:22 mark the road that is accidentally deleted and replaced near the monorail station is only 2 lanes with forced left and right (same from the other direction) There is no way for traffic to continue straight through that intersection from either direction which may explain why there are not many using that route as a pass-through.
Came here to see if I was the only one to catch this.
4:08 In my city there was a roundabout connecting the beltway to one of most important road in my city. But, traffic was very bad(I think because roundabout wasn't big enough) They changed it with a traffic light and traffic was fixed.
I’m really amazed how well this worked, I have a feeling that once the traffic reaches normal levels again after the mass exodus that this will fall apart. I think it might be better to use a continuous-flow intersection or some kind of small interchange.
24:05 to change the buses (and any other transportation) in numbers instead percentage, just check "Show absolute vehicle count value".
Loving the editing in this episode Biffa!! Excited to see the end result :D
Yay, thank you!
@@BiffaPlaysCitiesSkylines please look at the top comment about why the roundabout wasnt working
When it comes to the bigger mass transit, you want to have it as straight as possible.
Let the car scrubs deal with extra bends and turns ^^
The ‘hugo theres’ from the highway are doing my head in. It’s something Biffa would scold a fix my city for.
Roundabouts are the most capacious way to move traffic through in terms of vehicles over time (VOT), but there comes a point where vehicles have a tough time ENTERING and then they just spiral into tailbacks and the VOT just craters because you go from having traffic flowing in all the directions to usually just one. What's worked well for me has actually been those overpass roads, but with the overpass going straight through the intersection in the lane closest to opposing traffic. The two outermost lanes are the ones where the actual intersections are and they get timed traffic lights. If there's more than one lane ingesting traffic on the side roads, then you can phase them so that the crossing-opposing-traffic turns are the only ones that actually have to stop; unobstructed turns are free to make theirs at any time subject to not hitting anything (and only pedestrians/bicycles should even be a consideration). So you end up with two phase lights most places, an unobstructed turn lane that always flows and a straight-and-obstructed-turn lane that cycles on and off, with or against the main road's traffic.
Now, that does mean you have to jump pretty heavily on the three-tier road classes, though, and be pretty rigorous about no zoning on your arterial/main roads, no transit stops, bridge pedestrians (or tunnel) across it frequently, and very few actual intersections. If you end up with more than five or six places to enter or leave the road per purchased square, you're starting to create congestion instead of flow.
I think you should make your own custom bus hub, with thin long roads, so the buses can queue in large numbers without blocking the traffic. It could also help to separate into two different hub roads the lines with the most hub queue wait time which also happen to go both clockwise and counterclockwise.
This video is almost as devastating as finding out that Santa isn't real. Almost.
You should add stops on either side of the river for the monorail, and then continue it all the way around the city to the other bus hub.
Maybe I am crazy but yesterday I only managed to make a large roundabout at the main entrance to the industrial area not back up by using traffic lights on two sides! To clarify, those two sides have slanted entrance and exit streets in a V shape, and I put the traffic lights on the entering intersections inside the roundabout. Traffic lights are underrated.
In the Netherlands we have huge roundabouts with traffic lights, did you ever think about using that in here?
LOVE the editing and the quotes!!! 😂🤣🤣 It’s so much fun when you get to lampoon yourself like this!
Also, if you ever need to beef up that intersection for more capacity, I highly suggest a 4 or even 5+2 lane configuration-it allows for 2 left turn lanes, 2 thru lanes, and 1 dedicated right. Those are very common here in the States when two big arteries meet like this.
Something I've seen a lot of people use is Roundabouts with various slip roads for thru-traffic. Your overpass was almost that idea, but no one was using it 'cause the game is weird about where people can lane change.
I saw the title of this video and almost had an heart attack! People!! it seems that Biffa as been replaced by a doppelganger who hates roundabouts. Arm yourself! Contact you MP, Senator, witch doctor! This must be stopped! (TBH i have not watched the video yet. Saving it for my evening winding down, so i might be wrong in some of my statements lol)
I saw the title of the video and I thought to myself Biffa are you ok?
WHAT?????? REJECTING ROUNDABOUTS????? Im shocked .... is this really Biffa speaking, I better watch the video and see what is going on ....
Metros in my cities are always full and overcrowded, even with trains which hold more than 900 passengers. Buses on the other hand are often end up empty even without alternatives for the sims. My game is either bugged or I just dont build enough bus lines.
I've always set my lights up have the cross streets move together. So north south turn lanes > north south straight > east west turn > east west straight. Seems to handle more traffic then having each wait 3 cycles.
Yeah that’s how traffic typically works here in US.
Name the water island "The Spout"
Most of the vehicles from industrial area to inside the city (from east to south and west) are service trucks. So you just need to add another by pass service road from east to west (maybe under that junction) and ban the heavy traffic from the main road ( also ban the private cars from service roads) So that you will separate these traffic into 2 different route. It will really help you but you won't do it will you😂
On this map i made "water island" an amusement park because it was a challenging spot to build around :) Also if you run into more traffic issues at the entrance, you could try a yumbl quadrant interchange so the industry folks who want to turn left into the city have to do it away from the main junction?
Hi ...
So I was right with one of my ideas why the overpass was unused in one direction - 3:32 Vehicles from the overpass are forced to turn left here, the blue lane connector only offers access to the other left-turning lane. As turning left here is so unpopular, an extension of the overpass (beyond the T-junction) could have been an alternative solution.
12:07 "If you're green ... forced to turn right" - good analysis, good solution for that part of the problem. The second part would be "If you're red ... forced to go straight-on or turn left" - and people actually turn left, turn around and then go straight through the junction, their way to replace a right turn. Maybe, the merge of the two one-lane ramps (with mentioned red and green lane connectors) should happen much earlier, already on the other side of the river with several free nodes in between.
The monorail actually tries to be an express version of one of your metro lines (which could become much more local now by adding stations) only stopping for a bus hub on its route. 35:54 You might add a fill-in stop with a path connection to the Oregon Sector - at the end of that path a circulator bus might offer a transfer.
36:25 The increase is mainly happening on the busses. I think central bus hubs like 22:29 are good when they are placed but turn into mistakes over time when they become rivals of the metro network. Metro should cover the citywide routes and busses should rather provide access to the metro stations.
Can I please ask again that you do the mass transit checks and changes. Eg. Upgrading to the bendy buses on camera? I love when you go through seeing what stops and stations are busy ect.
Thank you
With american big roads there should be a 5+3 road that would work great at the city entrance junction.
Yeah. That road heading south should have more lanes towards south. The industry area 2 turn lanes would get more use if the other lane had an option to turn left to the low residential area on one lane, and a new lane to go straight towards the city. So total 3 lanes. The entry roads from the highway should connect further away so they have time to merge into the lanes they want.
Love how you come up with solutions and make it humorous! After work it's always fun to watch these and relax. City is really looking very cool!
One of your last vids on this map got me watching YUMBLtv's channel, and I've gone through this same journey in my game as well, going for traffic lights in a few key spots instead of roundabouts.... but they aren't a cure-all, either. Nearby intersections can prevent them from emptying in time and backing up. I just changed them back to roundabouts, this time the 'turbo' roundabout that forces lane changes/ doesn't allow for u-turns, and now it's flowing smoothly.
That's when I start thinking about using the Vanilla Overpass Project roads to build an over-under-bypass intersection with only left turns conflicting. Works best when most traffic is thru, of course, but a two-phase light can deconflict the left turns if that traffic gets heavy.
This is the end. The world has gone completely bonkers. Who would have known that it would be Biffa that took us to the brink?
An American themed city and the roundabout doesn’t work; it winds up getting removed and a standard intersection with a traffic light gets added. Who would have guessed?! Maybe *that’s* why Americans aren’t so enthusiastic about roundabouts. 😉
Also causing a death wave because the mayor forgot to connect the new water towers with electricity.
@@kaltaron1284 Water + electricity sounds more like *how* to start a death wave if you ask me 😂
@@davidroddini1512 Certainly works faster.
The city is big enough for an international airport. (Inteanational?) Especially if there is going to be a seaside resort (Pontea's? Teaside?) that will attract tourists. I would not put it where it says 'Airport above' because that is going to cause more traffic on the main motorway junction you dealt with in the beginning of the video. Put it slightly to the right near the junction where it says 'H/way link'. That is closer to the industrial estate and it will cause traffic to use the roads on that side of the city. You can also extend the monorail all the way to the new airport then.
Also: Ferries! There are so many waterways to use.
Reads title...
Brain: * Insert a Warhammer 40k HERASY! Image here *
9:14
Those lane guidelines are the undoing of you, Biffa, the reason your overpass to the roundabout didn't work was because you were forcing cars into lanes they didn't want and when you hooked up the highway off road, you forced one lane to turn right at the traffic lights and denied the other lane that very option.
You tried to fix it at the 12 and 13 minute mark but you just made it worse by forcing routes at neighbouring junctions.
I think Hugo needs to take a break to help your traffic flow. Try a more American feel for the city and space things out to have more nodes and give traffic options.
I watched Biffa's last traffic fix and hoped he noticed how "spacing things out" helped traffic more than anything else but it seems Biffa hasn't notice the space yet.
Suggestion for the water area name: Watea Island.
Like it 👍!
Another idea: surely there exists a Very British expression for a tea that's decidedly on the watery side - but as my British English doesn't reach that far, I'll have to leave the actual selection to someone 'in the know' 😁...
@@CoPoint the tea you are describing is dishwater tea, disgusting stuff lol, usually to much milk, not hot enough water and the tea bag not brewed long enough
@@stuartygibson7079 Yes, I was thinking about something along those lines, only, this doesn't have quite the ring to it that I had hoped for 😄... But thanks anyway 👍👍!
@@CoPoint definitely not the right ring to it and rightfully so, dishwater tea is an awful abomination lol
I discovered last night the reason some of my roundabouts not working great is due to transport stops being too close by and not enough lanes
I think something you should add would be some police coverage. You seem to have quite a crime ridden area in your new part of town.
Deleting Road accidently: If you use buldoze mode and delete a monorailtrack at first, don't release mousebutton. Just hover into the right direction. The game will only delete same type as long as you keep button pressed.
13:37 Pretty wild that Jackson, MI is actually without water right now, and has been for days, and now here's Missisissippitea going through it
One traffic problem is that on a bunch of roads (including the one that you built the monorail along) there are dedicated turning lanes at the lights but only two lanes, which means everyone has to turn and there’s no way to go straight through!! Asymmetrical road to the rescue!!!
I’m surprised nobody failed to mention that the super bendy buses are the problem. They take up too much space for what little extra spots they provide. 100/3 is 33.3 passengers per bus section. Go to double decker airport buses for a much easier time.
The editing, lol it reminds me of one of those reality shows we have in the US where the suspense builds before the commercial. I like how you edit to make the video fun
Also, 7:44 is DEAD ON as Mississippi right now is having a massive water crisis
Biffa: roundabouts arent always the best thing to use.
Me: the time has finally come...
12:14 or so - I sometimes use 4+3 lane roads to allow two through / optional turn lanes in the middle with a dedicated lane in each direction, which helps traffic sort itself. The real problem here was a combination of “Hugo” rules, dedicated turn lanes, and too few nodes to give everyone access to all directions at the intersection. I honestly think you would have been better off with the roundabout, or somehow trying to give yourself a little more room between the point where the ramps merge and the intersection node.
You can also see the traffic using the dead end road to make a u-turn and head the other direction. So you have some vehicles using that intersection twice to go in the direction they want.
I never thought I'd see the day where Biffa would prefer timed lights over a roundabout. I've been watching quietly since a few years now, and have to admit his love for roundabouts could be kinda triggering to me sometimes ahah
Hey Biffa, you talked about needing a new/another Bus Hub, but for relieving the main Bus Hub you could use the one across the Street. There you used a Bus/Metro Hub, so you could shift some Bus Lanes from the one to the Other (from Main Baus Hub -> Bus/Metro Hub).
Keep the work up, nice Video! But still miss New Tealand.
You already have an avenue crossing the river and crossing under the highway, you should make the interchange there, and relieve the intersection/interchange you made (where the roundabout was). It would become a T intersection, with highway traffic coming in along the cross, and industry traffic turning.
Another great video about traffic simu... I mean Cities: Skylines. I've been going through the same kind of traffic problems as you in my own City, you definitely inspire me Biffa!!
I use the overpass a lot in my city and will drop my suggestions to increase its usage.
1. Move the overpass node away from the junction and closer to the roundabout.
2. In your city, traffic is restricted to making a right turn when using the overpass to go to the 3rd exit of the roundabout. Fix: add an additional node between junction and overpass node to allow further lane changing or allow middle lane to go straight as well.
3. Increase speed on overpass to encourage the vehicles to choose it as the shortest path
I have noticed that pedestrians happen to make the vehicles to start and stop, reducing traffic flow. What I normally do when setting up a high traffic intersection with timed lights is set up the traffic light as normal, except there are no pedestrians allowed to cross, then add an additional stage for only pedestrians, just for a few seconds. Tends to work pretty well.
Yes, an all way green for pedestrians is good, or pedestrian overpasses (or maybe a sunken road junction!)
I think someone told you in the last video already but the problem with the overpass was that you can only turn left at the junction after it. So people who want to go straight, have to use the roundabout. I'm a bit surprised you missed this.
You have three lanes but the only two reachable from the overpass turn left.
You could have tried increasing the number of lanes and the radius a bit but ultimately I think you had enough space for a junction without crossing lanes.
I'm pretty sure you will overload that junction again once you build on the other side of the river. That the lanes to the highway split/join rather close to the junction doesn't help, so you may have to change that eventually to give enough room for lane switching. Maybe even change the highway access entirely to give access on the other side.
I'm pretty sure your monorail did next to nothing that your passenger trains weren't already doing and the numbers reflect that. But hey, it doesn't look too bad although you could make it a little bit less bumpy.
You could run the entire monorail along side the road, stopping that popping in and out of the road.
So I noticed with the main roundabout, the cars coming out of the industry are stopping for cars that aren’t on the roundabout. I’ve had this issue as well in some of my cities, and it’s quite an easy fix. Simply allow entering blocked junctions! I know it sounds counter intuitive, but they simply don’t have enough room to get more than maybe 2 or 3 cars out at a time.
I have a vanilla city with 100.000 people and about 7 tiles are completely filled with buildings and I only have 3 roundabouts. One roundabout is just decoration and doesn't have much traffic and the other 2 are highway junctions and my city has a nice traffic flow of 82% to 84%.
I also have only a few intersections with traffic lights, but most traffic problems are not really fixable with roundabouts, only low capacity roundabouts work good.
Biffa. Those little animations and music were the funniest thing I’ve seen on CZcams in AGES!!! Well done sunshine! Love it!
3:24 can confirm center lane is a dedicated turn left, when it should be a straight through.
Remember Biffa, you can unlock road segments from buildings using the network multi-tool, and upgrade them to whichever roads you desire! So you can use the monorail stop over road and change it to your big roads.
Thanks so much! Not very familiar with Network Multitool, didn't realize it could be used to turn my Cargo Hub road into a one-way.
The reason I follow Biffa is that (besides his eccentricities) he offhandedly does stuff that makes me say "What the... You can *DO* that?!?"
Realizing the possible is always the first step to greatness... (even if it's just an intersection in a game).
Again, many thanks for your comment, you Child of Biffa!
3:33 I see the problem. No matter which lane they choose, they end up being forced to turn left. If the middle lane allowed them to go straight or turn left, they'd use it.
I always add a 5th step on timed traffic lights, only 2s to 3s where pedestrians get to cross, that really helps the traffic flow as it doesnt slow down for people crossing the roads.
The exit to the bypass lane over the roundabout, shown at 3:27 is still forcing everyone to turn left at that next intersection. That middle lane at the intersection needs to be straight and turn for it to be more widely used.
I've been using a small stack interchange inside a city. Although it takes quiet a bigger space than roundabouts and doesn't look like an intersection that you would find inside a city, it really moves traffic really well.
But if you really like roundabouts, I suggest three tiered roundabouts to keep traffic moving plus it looks great inside a city.
On large intersections like this, there should be a pedestrian over or underpass. Once you have those you can get rid of all green phases for pedestrians. This would allow a permanent green light for right turns having lane connectors to the most right lane. The other lane(s) will be connected from the crossing/opposing street. Now you have two options if you want to avoid turning into traffic, for the timed light, both with four phases: (ABCD being the streets clockwise)
a) 1:A and C going straight (and right ofc) 2: A and C going left 3: B and D going straight 4) B and D going left
b) 1: A going straight and left (and right), 2: B going 3. C going 4: D going
The sequence doesn't matter, you could even have a phase doubled in between if it has high volume.
I usually prefer option b because it allows for easy implementation with more than 4-road junctions.
That was a suprice I did not expect that. Great build you are just fantastic on fixing everything.
For the Island, you could call it Unsteeped island, since it's just water not yet turned into tea.
main problem with the roundabout was how you set them up in traffic manager to not allow cars to enter the junction. busy roundabouts function far better with that enabled. prevents them from stopping and waiting and backing up traffic.
I would recommend changing the point where the highway junction is. put it at the unused road going under the highway. By moving the junction over, it frees up space for a badly needed connection to the neighborhood on the other side. Part of your traffic problem is that there isn't enough connectivity. Most traffic in your city is being funneled down that one major road, and it is reaching capacity.
The traffic lights are essentially 4 way stops signs. Is there a way you can have east and west traffic turn left at the same time, followed by east and west go straight. Then repeat the process for north and south? That’s how traffic lights work in my home town.
Love the vids as always biffa
All you had to do was bring the maximum speed on the overpass to higher value than on roundabout and not force them to drive straight ahead after exiting it on the city side
It also occurs to me that various roads and such should have "reputations" that get worse with more traffic. And that every pedestrian or vehicle should have a value expressing how important it is to get somewhere...and if a given route's reputation exceeds the value of their need to travel, they don't take that route.
Would help balance out people avoiding bad traffic areas, calming them down and spreading the load out.
Probably not possible in C:S...but it's a thought.
City coming along really well🔥you should continue the Mono Rail towards the Industrial area as well
12:06 People coming from the red (highway) are forced to go Forward or Left so theyre going left, turning around at the end of the dead-end and going forwards to make it into a Right Turn
Wait wait wait... I haven' been here for a few months and what is happening right now? Greetings for you Biffa :)
Biffa, in Houston, that intersection would have 10 lanes in each direction… 2 turn, 2 straight, 1 right. Go full USA and make a houston map next lol