@arkedos a lot of nerd details. Joe signals behave (again, in detail). Enhancing limits, adding a lot more options. There was a real OpenTTD Coop community when I played some years ago, where 10+ people worked for the same company and build one huge rail network.
The actually built logic gates, flip flops etc using only trains, rails and signals.
One of the first Mastodon instances, there is no specific topic we're into, just enjoy your time!