main line (Q3238851)
a track that is used for through trains or is the principal artery of the system from which branch lines, yards, sidings and spurs are connected
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Current Data About main line
other details
aliases mainline
 trunk line
description a track that is used for through trains or is the principal artery of the system from which branch lines, yards, sidings and spurs are connected

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(P646) /m/03d86z8