Here I'll try to give you a bit of an insight into how the line works, and how everything fits together and keeps the train service running which, after all, is the whole reason for us being there in the first place!
I've broken this down into four sections - the last of which will show how the whole thing should come together to put and keep a certain number of trains on the railway each day.
Of course it doesn't always go smoothly or as planned - if you read my diary pages later you'll see some of the types of occurrences which arise that prevent this happening.
In case you're not familiar with the line the map below shows the routes and areas that the line covers - click on the map for a link to an enlarged version on thetube.com
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