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Canadian Railroads > Guess a low yellow isn’t good enough


Date: 09/04/19 12:41
Guess a low yellow isn’t good enough
Author: SD45X

Left turn Clyde:)
On the Cartier up Nord

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Date: 09/04/19 15:44
Re: Guess a low yellow isn’t good enough
Author: eminence_grise

When I was there in 1992, The Cartier had a form of CTC which had a power switch on one end of a siding and a spring switch at the other making them directional sidings..

The Cartier is not a common carrier and operates solely in Quebec, so the CROR signal rules do not fully apply.

However CN had adopted the directional arrow at some locations too. The single yellow is CLEAR TO STOP, or APPROACH in US signal rules.
Unless modified by other signage, this rule requires the train to stop at the next signal. The R plate on this intermediate signal allows trains to pass that signal at restricted speed it is indicating a STOP indication, at restricted speed prepared to stop short of a train or obstruction.

The DV plate refers to the next signal, and in conjunction with the flashing arrow means that the train may pass the next signal at restricted speed to enter the diverging route.

What I don't know is whether power switches have replaced the spring switches on the sidings which previously only had a power switch on one end. 

At the time I visited, the signals on the power switch end had extra lunar lights, which were connected to a dragging equipment detector located somewhere before the turnout.Notice the dragging equipment detector beside this signal.



Edited 1 time(s). Last edit at 09/04/19 15:46 by eminence_grise.



Date: 09/04/19 18:44
Re: Guess a low yellow isn’t good enough
Author: SD45X

Spring switches still on the north end switches.
I’ll get around to pictures later when I get back home:)



Date: 09/05/19 06:21
Re: Guess a low yellow isn’t good enough
Author: zorz

That also looks like an LED searchlight signal - is that correct?

eminence_grise Wrote:
-------------------------------------------------------
> When I was there in 1992, The Cartier had a form
> of CTC which had a power switch on one end of a
> siding and a spring switch at the other making
> them directional sidings..
>
> The Cartier is not a common carrier and operates
> solely in Quebec, so the CROR signal rules do not
> fully apply.
>
> However CN had adopted the directional arrow at
> some locations too. The single yellow is CLEAR TO
> STOP, or APPROACH in US signal rules.
> Unless modified by other signage, this rule
> requires the train to stop at the next signal. The
> R plate on this intermediate signal allows trains
> to pass that signal at restricted speed it is
> indicating a STOP indication, at restricted speed
> prepared to stop short of a train or obstruction.
>
> The DV plate refers to the next signal, and in
> conjunction with the flashing arrow means that the
> train may pass the next signal at restricted speed
> to enter the diverging route.
>
> What I don't know is whether power switches have
> replaced the spring switches on the sidings which
> previously only had a power switch on one end. 
>
> At the time I visited, the signals on the power
> switch end had extra lunar lights, which were
> connected to a dragging equipment detector located
> somewhere before the turnout.Notice the dragging
> equipment detector beside this signal.



Date: 09/05/19 07:10
Re: Guess a low yellow isn’t good enough
Author: eminence_grise

I noted in another post that newer signals with LED heads had replaced the earlier searchlightd.



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