Rail chains not working properly in a roundabout

Bugs that are actually features.
Ericwu91
Burner Inserter
Burner Inserter
Posts: 14
Joined: Sun May 29, 2016 10:17 pm
Contact:

Rail chains not working properly in a roundabout

Post by Ericwu91 »

Here I am again. This time, I brought saves along with the printscreens. Please don't laugh too hard.

Thing is, I've been seeing this issue happening to a specific roundabout again and again, and it effectively gridlocks my entire train network. I know, I know it should have redundancies to prevent that, but... well.

Here, you can see a train stopped at a specific signal.
Image

Here, you can see the roundabout without the train, a few moments after I told it to follow another path (which it merrily did)
Image

The save attached has the character in the appointed place.

If it is something stupid I did when designing it, please let me know :D
Attachments
_autosave1.zip
(8.91 MiB) Downloaded 91 times
Loewchen
Global Moderator
Global Moderator
Posts: 9196
Joined: Wed Jan 07, 2015 5:53 pm
Contact:

Re: Rail chains not working properly in a roundabout

Post by Loewchen »

And the bug would be what exactly?
User avatar
TruePikachu
Filter Inserter
Filter Inserter
Posts: 978
Joined: Sat Apr 09, 2016 8:39 pm
Contact:

Re: Rail chains not working properly in a roundabout

Post by TruePikachu »

Is there any particular reason the bottom-left signal is a block signal instead of a chain? It might be related to the issues.
kovarex
Factorio Staff
Factorio Staff
Posts: 8207
Joined: Wed Feb 06, 2013 12:00 am
Contact:

Re: Rail chains not working properly in a roundabout

Post by kovarex »

That is not a bug but a wrong signaling I guess.
Ericwu91
Burner Inserter
Burner Inserter
Posts: 14
Joined: Sun May 29, 2016 10:17 pm
Contact:

Re: Rail chains not working properly in a roundabout

Post by Ericwu91 »

Loewchen wrote:And the bug would be what exactly?
The train stops at the top chain signal, even when the last one is also a chained signal.
TruePikachu wrote:Is there any particular reason the bottom-left signal is a block signal instead of a chain? It might be related to the issues.
There is. I wanted to fit the most trains (all of them are 1-1 compositions) inside this particular roundabout to avoid chugging the rails before it.I don't think it is the issue.
kovarex wrote:That is not a bug but a wrong signaling I guess.
I might be doing some weird things here then... I'm going to try this entire scenario from scratch in my next save. If it repeats, I'll report it again :)
Thanks for the responses, guys.
orzelek
Smart Inserter
Smart Inserter
Posts: 3923
Joined: Fri Apr 03, 2015 10:20 am
Contact:

Re: Rail chains not working properly in a roundabout

Post by orzelek »

First screen seems strange for me - north train stopped on chain signal thats surrounded by chain signals.
It's reservation should go past the chain signals to place where it can actually stop as defined by normal signal from my understanding of how chain signals work.
Should it be able to stop surrounded by chain signals?
Loewchen
Global Moderator
Global Moderator
Posts: 9196
Joined: Wed Jan 07, 2015 5:53 pm
Contact:

Re: Rail chains not working properly in a roundabout

Post by Loewchen »

orzelek wrote:First screen seems strange for me - north train stopped on chain signal thats surrounded by chain signals.
It's reservation should go past the chain signals to place where it can actually stop as defined by normal signal from my understanding of how chain signals work.
Should it be able to stop surrounded by chain signals?
This can cause that: viewtopic.php?f=173&t=26409
Post Reply

Return to “Not a bug”