Re: Derailment at Concort West - Reason

["Ben Staples" <BenKim@bigpond.com>]

A driver is in control of a train.
If a train enters an interlocking the driver must surely drive for the worst
possible route to be set? Is this part of the safeworking???

I know, for safeworking during possessions, the worst situation is always
assumed to take place so that no "accidents" can take place, and more
importantly, no lives are lost. This must surely be the situation for normal
train safeworking.

Ben  Staples
Graduate Engineer
RSA Metro North

David Johnson wrote in message <35810DF1.F8110E00@ozemail.com.au>...
>maffa wrote:
>
>> I've been reliably informed that the caution signal warning of the loop
is
>> only 50 to 100 metres from the point itself. Meaning you can be doing
>> 115km/h and only have a short distance to brake. I know of plenty trains
>> have gone into the loop at over 50 because of the poor placement of
signals.
>> There is another spot like this at either Blacktown or Rooty Hill.
>
>I had a look today.  The turnout is located at ~ 14.437 km.  The signal for
it
>is located at ~ 14.445 km.  The sighting for the top yellow indication by
the
>driver is at ~ 14.545 km.  The previous signal is located at ~ 14.760 km.
The
>sighting for the previous signal by the driver is at ~ 14.888 km.
>
>(~ = approximately)
>
>So, If you take the turnout to be at 0 metres, the turnout signal is at ~ 8
>metres.  The sighting for the turnout signal is at ~ 108 metres.  The
previous
>signal is at ~ 323 metres.  The sighting for the previous signal is at ~
451
>metres.
>
>At night, the sighting distance could be a little higher.
>
>I asked Strathfield box whether that location had one or two medium caution
>(Green over Yellow) indications, and he said two, so I'll have to go and
have a
>look at the sighting for the Home signal before that.
>
>--
>David Johnson
>CityRail Guard
>trainman@ozemail.com.au
>http://www.ozemail.com.au/~trainman/
>
>