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Re: Signalling in Victoria

Subject: Re: Signalling in Victoria
From: mauried@commslab.gov.au (Maurie Daly)
Date: Tue, 23 Mar 1999 02:42:48 GMT
Newsgroups: aus.rail
Organization: Dept of Communications LAB
References: <7clg33$9mp$1@mulga.cs.mu.OZ.AU> <36EE4FAC.24F44F15@bigfoot.com> <7cnu25$cop$1@mulga.cs.mu.OZ.AU> <36f0852d.1475174@news.netconnect.com.au> <mauried.281.36F1773C@commslab.gov.au> <36f2c413.2407803@news.bigpond.com>


>>
>>
>>Ive often wondered why this siding needs all the signal protection ,when 
>>similar sidings along the rest of this  line , eg Inverleigh,Cressy  and 
>>Ararat dont appear to need / get any signal protection at all.
>>Another bizzarre Victrak rule maybe?
>>
>Maurie the reason is that the siding is switch locked the others are
>master key locked!!
>Paul Johnston


Fair enough , but why is master key locking any more safe than switch locking?
Or does the presence of the master key in a ground frame  lock prevent an 
authority being issued for that section of track ?

MD

References:
- Signalling in Victoria
  - From: cmgord@ecr.mu.oz.au (Christopher_Martin GORDON)
- Re: Signalling in Victoria
  - From: Notagunzel <notagunzel@bigfoot.com>
- Re: Signalling in Victoria
  - From: cmgord@ecr.mu.oz.au (Christopher_Martin GORDON)
- Re: Signalling in Victoria
  - From: krel4203@netconnect.com.au (Krel )
- Re: Signalling in Victoria
  - From: mauried@commslab.gov.au (Maurie Daly)
- Re: Signalling in Victoria
  - From: gonoNOCRAP@bigpond.com.au

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