Tutorial Underground railways

[wipi35]

Hello, I'm looking for a topic "how to build underground railways" but can't find any. 
I hope there is one!

[Andarix]

german

https://simutrans-germany.com/wiki/wiki/de_Untergrundmodus
https://simutrans-germany.com/wiki/wiki/de_tutorial_UnterWasserTunnel

[wipi35]

Unfortunately both URL's don't work

[victor_18993]

Unfortunately both URL's don't work

Hi, I've attached printed copies of both URLs in case your ISP is blocking them. Best regards.

[wipi35]

Tnx, I'm going to read them.

[wipi35]

Mission accomplished, tnx again!

[Andarix]

Unfortunately both URL's don't work

For some time now, the internet seems to be experiencing deliberate interference. Or perhaps the service providers have cut too many corners on hardware. Or, once again, the providers cannot agree on how to handle payment for traffic moving between their networks which becomes a problem when traffic flows more heavily in one direction than the other.

This forum also frequently reports instances where pages fail to load.

It is simply difficult to pinpoint the reason why a particular site is inaccessible.

[Isaac Eiland-Hall]

There have been some issues from time to time with performance causing infrequent issues. What would be helpful next time that happens - if you could DM me the error code or error message plus your public IP, I'd be glad to look at anything I can find in the logs on the server. Maybe it's something server-side, and maybe I can fix. Or maybe not.

[Andarix]

It simply states rather tersely that the page could not be loaded.

Refreshing the page immediately afterwards loads it successfully.