Introduced in the March 2017 update I had no idea what a 'Double Slip Switch' was or even how to find it in Transport Fever.
This video should tell what you need to know about making switches 'double slip'.
Source: https://gameplay.tips/guides/679-transport-fever.html
More Transport Fever guilds
- All Guilds
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- Transport Fever - Basic Guide for Beginners
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- Transport Fever - Express Trains and How to Operate Them
- Transport Fever - Easy Guide to Goods Transportation Network