Switches and crossings play an essential role in connecting the rail network. We use them to guide trains from one track to another and to enable lines to cross paths. Put simply, they’re the junctions that allow us to create a multi-lined, multi-routed rail network. This is how they work.
For more information https://www.networkrail.co.uk/running-the-railway/looking-after-the-railway/track/
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