Intermediate Block Signalling definition

Intermediate Block Signalling means an arrangement of signalling on double line in which a long block section is split into two portions each constituting a separate block section by providing an Intermediate Block Post;
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Intermediate Block Signalling means an arrangement of signalling on single line or double line or multiple line in which a long block section is split into two portions each constituting a separate block section by providing an Intermediate Block Post;
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Related to Intermediate Block Signalling

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  • Intermediate Distribution Frame (IDF) is a second frame that augments an existing Main Distribution Frame. Lines or outside cables do not terminate on the IDF.