Re: Indian Pacific Accident

[mauried@commslab.gov.au (Maurie Daly)]

In article <381E8FBA.70305ECD@MYlisp.com.au> John MacCallum <johnmac@MYlisp.com.au> writes:
>From: John MacCallum <johnmac@MYlisp.com.au>
>Subject: Re: Indian Pacific Accident
>Date: Tue, 02 Nov 1999 07:19:57 GMT

>Ronald BESDANSKY wrote:
>> 
>> I read a newspaper item last weekend (30/31st October) that said that the
>> official report into the collision between the IP and a freight train  a few
>> months ago train was due to the driver of the freight reversing the loop
>> points in front of the approaching IP. Silly question - whatever happened to
>> approach locking?
>> 
>> Rgds
>> 
>> Ron BESDANSKY

>I don't think that there was a Route type Interlocking Machine there to
>provide Approach Locking.
>Maybe someone familiar with the Safe Working Systems in place at that
>Location ( where ever it was )
>can provide an answer?
>-- 

>Pope

>Alias   John MacCallum

Yes , there is no approach locking due to no track circuiting of the approach 
single line.
Without getting into another argument about the way this system works , 
something has to be done to prevent what has just happened happening again.
Timers by themselves arnt enuf.

MD