I don't think Railways Autoexpand is working as intended

[Poppleop]

Integrity​

I have verified my game files (on Steam)​

Yes

I have disabled all mods​

Yes

Required​

Summary​

I don't think Railways Autoexpand is working as intended

Description​

Below is a screenshot of the Autoexpand conditions. They are:
must be either:
Subsidised, or cash reserves >50%
*and* either:
Transportation cost is >50% base, or State has less-than 100% market access
(and is not currently constructing any)

I've noticed several instances in my game of railways being autoexpanded despite these conditions clearly not being fulfilled. Particularly obvious in pacific islands where there is absolutely no need for more than one level. I had already removed them from build queue before thinking to report this, but I added picture of Fiji's history as it was one of the states I noticed the problem in and it supports a theory I have on the cause.

I suspect something fishy is going on in the seperation of the two different "at least one of these:" condition statements.
And that any two conditions fulfilled across the four, regardless of whether they're in statement 1, or statement 2 - flags positive for the auto-expand.

This is the only simple explanatino I have for Fiji and similar provinces building more railways on autoexpand. Fiji hasn't had a expensive transport, or low market access since colonisation in my game - and it seems to align with what I've been seeing.

This is very frustrating as it impedes players' ability to spend less time micromanaging infrastructure and transportation.

Steps to reproduce​

1. Build railways, subsidise them and set to auto-expand
(subsidising may not be necessary but I think it will help easily replicate the issue)
2. Wait and see expansion happening under unfulfilled conditions

Game Version​

1.8.6

OS​

Windows

Additional​

Bug Type​

Performance Issue

Save Game​

View attachment FranceRailwayAutoExpandbugMaybe.v3

Attachments​

Player Pain​

6

 

[Poppleop]

I tried to replicate it and spent a few months watching the construction queue like a hawk but it wouldn't manifest a new naughty autoexpand. If there is a bug here I don't think it's the simple reason I theorised

 

[fusei]

The reason I don't use auto-expand for railways is that it's quite easy to temporarily get less than 100% market access in your oversea territories by having a convoy deficit.

This can happen for example by convoys being raided or simply by sending some troops abroad.

Something like that might be the case for you as well.

 

[Poppleop]

Definitely possible, the above game is a pretty dominant world conquest and I have like 45k spare convoys, however.

Haven't run into convoy issues from war in a while in that game, and the build queue is being churned through quickly so there isn't much delay between auto-build start and finish.

I do agree that even when working properly (as they may well be) the conditions on auto-build railways are very volatile. Which is a darn shame because it's like the single greatest micro-managing task of the core economic game loop