A guide for newbies, about presignals. But not only for beginners, there is a lot complex things to do with presignals. If you know how the presignals works, you should skip the "basics" Part.

Part 1: Basics

The Presignal Basics is explained here: how they work, how they behave, and how does work a terminal station, and whats the use of the combo presignal.

Guides:Basics

Part 2: Oneway or twoway Presignals

Signals have two sides. In the basics part, the other side wasn`t important, since trains can`t turn back, etc. etc... But in more complex things, a badly placed twoway Combo Presignal can make errors in your network.

Guides:Oneway or twoway

Part 3: Priorities

When you have to connect two tracks into one, the most used track should have more priority than the lesser-used track. In this Part, junctions with priority is showed.

Guides:Priorities

Part 4: Level Balancers

How to make presignals on a Level Balancer.

Guides:Level Balancers

Part 5: Complex Junctions

Guides:Complex Junctions