Having a blueprint catalogue is a great idea.

But this.....

Zequez wrote:And a copy-able encoded string that you can copy and paste so we can share blueprints on the web!

This I really like.

I've got to say that I agree with Balthazar. I think that the one thing that's missing from the rail network is a way for a line to cross another without interruption to either service (although pre-signals would also be a very nice addition one day). The underground system mentioned above would wor...