Re: Safety first in rail system's radical revamp

[signal_spotter@my-deja.com]

In article <8ugpmq$q6p$1@nnrp1.deja.com>,
  pdwyer@my-deja.com wrote:
> In article <8udaqi$ka$1@nnrp1.deja.com>,
>   signal_spotter@my-deja.com wrote:
>
> > We have the expertise right here in Australia to install an ATP
> system.
> > See
> http://www.westsig.com.au/DEPT/Marketing/common/datasheets.nsf/Data%
> > 20Sheets?OpenView&Start=1&Count=30&Collapse=1#1 for details (Look
> under
> > Control systems). An interesting point is that the UK are in the
> middle
> > of a debate (see uk.railway newsgroup) about whether to continue
with
> > ATP or put in a lesser (but still as safe) system called TPWS (Train
> > Protection Warning System) which basically is the magnetic
equivelant
> > of trainstops and Intermediate trainstops. The pollies don't need to
> go
> > on a 'fact finding' mission. They only have to consult the experts.
>
> And how long did it take to get it right Ian?
>
> The ATP system employed by QR is what I'd consider only suitable for
> where it is employed. Inter City freight, not an urban rail system.
>
> Why?
Because an ATP system is at it's best when it's incorporated into the
entire system. Not in dribs and drabs. And that's where the cost rises
compared to trainstops or TPWS.
>
> I'm not knocking the Westect, it's for what it does, but an urban
> system requires a few more units than your standard passing loop.
>
> Look at a trainstop, or an AWS. Look at the TPWS. What features set
> these systems aside from the AEI track transponders we deployed?
>
> seeya!
>
> Sent via Deja.com http://www.deja.com/
> Before you buy.
>


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Before you buy.