Cities: Skylines

Cities: Skylines

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Burned Bacon Mar 25, 2015 @ 10:27pm
Train Traffic Jam Problem
I've been building my first city, which has gone surprisingly well, but I've run into an issue which is impossible to solve. Trains are clogging up from outside of the map. Outgoing trains, not incoming, are stuck in a massive congo line stretching beyond vision range. I can't buy that land so I can't fix it.

This has caused my entire freight transport to shut down, clogging my roads full of trucks and is slowly causing the entire city to grind to a hault.

Any ideas what could be causing this weird problem?
Last edited by Burned Bacon; Mar 25, 2015 @ 10:27pm
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Showing 1-15 of 35 comments
gUp4o Mar 25, 2015 @ 10:44pm 
at least, the length of every train track intersection must longer than total length of all bogey of train
to not cause a deadlock.


and build train track to cross over the road (or road over train track) will help

neutrino Mar 25, 2015 @ 10:45pm 
Do you only make spurs off the main track (coming from outside your city) with only a single endpoint, or are you properly creating a full loop within your city?
Burned Bacon Mar 25, 2015 @ 10:46pm 
I have a full internal loop, but the problem is clogging up exiting the map. I'll post a screenshot in a moment.
jeanbradyrn Mar 25, 2015 @ 10:47pm 
Go into your budget and decrease it for your train system. You will then start seeing less trains. You can then adjust up or down for how many trains you want.
Pakmanious Mar 25, 2015 @ 10:48pm 
I just logged back in today, loaded my city and I have this exact issue, trains clogging trying to leave the city, like they're not despawning off the map.
Burned Bacon Mar 25, 2015 @ 10:49pm 
http://imgur.com/M4prt0x

This is past my final connection to the rail exiting the city. (Many of the trains are backwards because reasons.) I can confirm I am on right side drive.

EDIT: And this does extend to the end. Only declogs when a train despawns and the whole stack moves forward. I disconnected all exits going to this point and forcing all trains to exit on the other two exits.
Last edited by Burned Bacon; Mar 25, 2015 @ 10:52pm
Pakmanious Mar 25, 2015 @ 10:54pm 
It looks like the trains are depspawning 1 by 1 very slowly, not quick enough to keep up with the traffic, and now my industry is tanking.
Maker Mar 29, 2015 @ 5:48am 
I have the same problem. Has anyone reported this to the developers?
grapplehoeker (Banned) Mar 29, 2015 @ 6:04am 
Try to keep your cargo lines and your passenger lines completely seperate is my best tip.
This is the best guide I've found here:
http://steamcommunity.com/sharedfiles/filedetails/?id=408643569
And a shameless plug of a trip on my own train and road congestion free city with at least 12 passenger lines in service ;)
http://steamcommunity.com/app/255710/discussions/0/611701999531333667/
Last edited by grapplehoeker; Mar 29, 2015 @ 6:05am
The fact that trains are even able to jam up like this isn't very realistic. IRL, trains are kept on a strict timetable in order to prevent jams like this. That's not the only issue with trains either - they don't change tracks at stations to pass other trains, and they rarely take passing sidings.

And yes, I know this is an old thread.
Last edited by A Fat, Angry Serval; Aug 25, 2015 @ 5:13am
Frank Ragazzo Aug 5, 2016 @ 11:44pm 
This hoirrible bug has never been solved by devs. My train traffic in the city is very low and they can go freely anywhere, while they are all clogged in an annoying infinete row going to the other cities. This really sucks. No guide has any utility here, since the problem is out of any play control. As usual the only way is to find some mod which could avoid the countless lacks of this game.
BonPadre Aug 6, 2016 @ 2:41am 
First of all, nice necro...
Secondly... no guide to help you avoid that ?
If you just dared to open your eyes, and read the High traffic Train Solutions right up there... just 2 posts above yours...

So playing vanilla that is, using that very guide, I never had any issues with train jams...
grapplehoeker (Banned) Aug 6, 2016 @ 3:03am 
Originally posted by Frank Ragazzo:
This hoirrible bug has never been solved by devs. My train traffic in the city is very low and they can go freely anywhere, while they are all clogged in an annoying infinete row going to the other cities. This really sucks. No guide has any utility here, since the problem is out of any play control. As usual the only way is to find some mod which could avoid the countless lacks of this game.
Absolute nonsense. No mod is necessary and it is completely within your control. Your clogged tracks are actually your fault due to your ignorance of how the game works.
One terminal per outside connection - remember that.
That applies for trains, boats or planes.
So... build one intercity terminal per outside connection and connect that to your innercity network by a road link. Got that? Or do you need pictures too?
Last edited by grapplehoeker; Aug 6, 2016 @ 3:04am
Jambie Lionheart Aug 6, 2016 @ 4:01am 
Originally posted by Burned Bacon:
I have a full internal loop, but the problem is clogging up exiting the map. I'll post a screenshot in a moment.

Your looped network is probably partially responsible for your traffic issues. I was working with a similar set up, with looped rails, but that on it's own causes traffic problems. Your problem isn't the intercity traffic on its own, it's internal traffic clogging your lines. Probably at one particular station or two. One solution for that is reducing the amount of industry you have, which relies on those particular stations. You can also try rearranging your industry so that the traffic flow is easier. You said your roads were clogged as well, does that mean that your cargo stations entry points are also clogged? That indicates way too much industrial traffic flowing into it if that is the case.

You can also use this sort of roundabout solution to it.

http://steamcommunity.com/sharedfiles/filedetails/?id=656185565

A double line network. Two stations in one spot, it doubles your train lines cargo capacity. It's actually surprisingly effective. You'll find a slightly more efficient version in the required items list though (but only as a suggestion) if you need something more substantial.
Frank Ragazzo Aug 6, 2016 @ 4:53am 
Originally posted by grapplehoeker:
Originally posted by Frank Ragazzo:
This hoirrible bug has never been solved by devs. My train traffic in the city is very low and they can go freely anywhere, while they are all clogged in an annoying infinete row going to the other cities. This really sucks. No guide has any utility here, since the problem is out of any play control. As usual the only way is to find some mod which could avoid the countless lacks of this game.
Absolute nonsense. No mod is necessary and it is completely within your control. Your clogged tracks are actually your fault due to your ignorance of how the game works.
One terminal per outside connection - remember that.
That applies for trains, boats or planes.
So... build one intercity terminal per outside connection and connect that to your innercity network by a road link. Got that? Or do you need pictures too?

Maybe you neither read what i wrote, at least you didn't understand.
Further I guess you spent lots of time studying my city didn't it?
I have 450k citizens and a lots of export and small import (trains are moving goods perfeclty THROUGH my city and importing perfectly as well).
Trains are clogged exporting goods/rows to other cities, most of them following the closest way to go out, and it seems that in the town at the end of this particular railway there is a really small station in which 2 little boys are working moving the stuff with just bare hands.
Do you need the picture of two stupid boys moving goods with bare hands?
You want to know my solution now?
The mod to build outside my limits, simply to destroy that outgoing route so they are now forced to find the other ways out, not merging to the stupid 2-boys-station.
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Date Posted: Mar 25, 2015 @ 10:27pm
Posts: 35