N&W signal route diagrams

NW Mailing List nw-mailing-list at nwhs.org
Wed Sep 18 09:57:10 EDT 2013











They actually do have a way to allow a train to pass a Stop signal.
Either directly by dispatcher instructions and being governed
accordingly by the operating rules, or by configuring the signal to
display a Restricting. The majority of controlled signals don't have
that capability because it is just not necessary in most cases.

Ben-

Talking GRS and searchlight signals and dwarf signals here -- not PLs, CPLs,
or Union. At Tidewater on Norfolk Terminal, there was a siding (unsignaled) off
the VGN's eastbound main track. Bear in mind that when a movement is
anywhere within the interlocking, the leverman can't manipulate the switches.
Hand-throw switches are locked in place.

So to spot a car, a crew had to clear the interlocking (which included the NS's
Beach District diamond), the crew had to line the switch for the siding, then
the leverman could give a signal to cross the diamond and enter the siding. What
was the indication ? I have no idea. All you see on the track panel is a light indi-
cating the movement can proceed. Harry Bundy






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