Joining LKO-ASH-SCC is a difficult task.
Wud require lot of investment and willingness.
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Diamond x-ing wud disrupt movement of trains.
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Also...
more... dere wud be NR-NER issues as usual.
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But since u have talked about connectivity BSB-FD-BBK-GTNR-DAL-SCC is possible but with a reversal @ DAL.