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Through Line. Normally, this code is used where there is a non-platformed passenger line through the middle of the station, used by expresses. Cf. ML for Main Line (through a platform) and GL for Goods Line, running parallel to the Main Line but also often non-platformed or passing through platform or siding for slower-speed freight trains that may need to offload goods or stop for a crew break.

You may encounter local varieties of Through Lines that do not conform exactly to the above rules, e.g., at Derby. See here for discussion.

Last edited by GeoffM on 15/09/2016 at 03:00