Re: Re: Signalling queries

[David Johnson <trainman@ozemail.com.au>]

On 11 Jun 2001 21:45:01 +1000, "Bradley Torr"
<truenorth@one.net.au.SPAMTRAP> wrote:

>OK, under staff-and-ticket working, what is to stop a driver using a ticket
>instead of the staff when entering a particular section, when the next
>train scheduled to enter the section is coming from the opposite direction?
>In this scenario, if the driver of the first train uses a ticket instead of
>a staff, when the second train arrives at the other end of the section,
>there will be no staff there for the second train to pick up!

Exactly.  In this case, a Special Authority Order would have to be
issued, which would over-ride the staff.
>
>> Between Sutherland and Waterfall; Campbelltown; between Penrith and Emu
>> Plains; Berowra. However there are a few double light areas on the south
>> outside the suburban area, mainly in areas where upper quadrant signals
>> still exist in substantial numbers.
>
>So that sign I saw near Picton signified the end of one of those isolated
>double-light sections on the Main South?

When you go from Semaphore signals to Single Colour Light, a sign
saying "Begin Single Colour Light Indication" will be next to the
track.


David Johnson
trainman@ozemail.com.au
http://www.ozemail.com.au/~trainman/
------------------------------------
These comments are made in a private
capacity and do not represent the
official view of State Rail.
C.O.W.S. Page 11.