Re: Relief at last

[signal_spotter@my-deja.com]

In article <cWzt5.45830$c5.126322@newsfeeds.bigpond.com>,
  "Ted Gay" <tedgay@bigpond.com> wrote:
>
> "Sam Eades" <eadess@yahoo.com> wrote in message
> 39B6CA0A.F656BB03@yahoo.com">news:39B6CA0A.F656BB03@yahoo.com...
> >
> >
> > Rod Gayford wrote:      <snip>
> > I think that one way of ensuring that somthing like this doesn't
happen
> again,
> > is install speed trips (trip arms spaced at even intervals between
> signals,
> > timed to go down when the speed of the train has been prooved as
safe), to
> > physically make sure that the driver cannot go too fast. Drivers
hate them
> and
> > they are annoying, but effective. Unless the trip is defective,
there is
> no way
> > that the driver can speed through them.
> >
> > Sam
> >
> This is only a mechanical solution.  The 21st century starts in a few
> months!
> What about proposing an electronic system, with in cab signalling, or
an ATP
> as fitted to Sydney trams. The ATP continuously monitors vehicle
speed and
> gives the driver advanced warning of reductions in the speed limit
and will
> apply the brakes if needed.  I once witnessed a tram driver trying to
do a
> SPAD, pulled her up with a mighty jolt.
>
> Ted
>
>
We'll sell you one. Check out
http://www.westsig.com.au/DEPT/Marketing/common/datasheets.nsf to read
about our ATP system.

regards Ian
Signal Design Engineer


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