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[NSW] What's a ...
- Subject: [NSW] What's a ...
- From: "Ben O'Regan" <benandveronica@net21.com.au>
- Date: Tue, 17 Oct 2000 18:20:09 +1000
- Newsgroups: aus.rail
- Organization: Pacific Internet (Australia)
- Xref: bclass.spectrum.com.au aus.rail:21923
Looking through the ARHS Signalling Diagram CD-Rom and have noticed a lot of
the diagrams have:
Train Bar
Clearance Bar
Depression Bar
at various places, mostly it seems at the end of loops or main lines where
loops join.
Does anyone know what they were for and how they worked?
Many thanks,
Ben