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RTT "DUH"

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driver9000

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13 Jan 2008
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4,570
It's a routing mark indicating the train is booked to travel over the Down & Up Heysham line through platform 2. The other indication for the Morecambe service is DUM (Down & Up Morecambe).

The Morecambe branch is treated as 2 parallel independent single lines.
 

The Planner

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Also allows us to make sure we don't either think there is a clash or inadvertently cause one. There is a list of a lot of the line codes we use in section 1.3.4 of the planning rules.
 
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