Tutorial Savegame Mainline
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1.0 Mainline
This section belongs to Mainline related tips and tricks.
1.1 Signal every 2nd tile
The purpose is clear; Mainlines are designed for high throughput! Less-frequent signaling increases the spacing between trains, wasting capacity on the lines.
1.2 Avoid Mainline Tunneling
In order to keep the signal blocks at 2 tiles (as mentioned in 1.1) you should try to avoid tunneling the Mainline by default. Bridge the Sideline instead! 2-tile-signaling on a mainline is useless if there is one single point with a 6-tile signal gap. Trains will queue up right before the 6-tile gap, and the capacity of the mainline is determined by its most congested part.
1.3 Anti-Roadcross-Trackpart
Sometimes, its necessary not to let a town cross your tracks - one reason may be that you need some space later on. Basically, there are two possibilities: buy up land or build a construction as shown on the screenshot. The last option is more elegant and doesn't add ugly signs to the landscape.
1.4 Full-Speed Bend
Remember: S-bends are full-speed! It's perfectly acceptable to make bends on the Mainline, as long as there are no slowdowns. Some small bends ease up construction and may save costs.
1.5 Stepped Climbing
A so called stepped climbing means that you try to avoid a two-tile-uphill. Its not only something which slows trains down; its also ugly and non-realistic. If you construct uphills in a stepped way it looks far more like a Mainline.
1.8 Prioritized Mainline
Mainline is should be the fastest collection of tracks on the map. Therefore, you will want trains from a sideline wait a bit for a gap to enter mainline. This is accomplished using technique called Priorities.