Re: [Syd] Why do trains sound horn when leaving platform?

["David Rayson" <dr@dove.net.au>]

<martin_o@my-deja.com> wrote in message 95q1j7$3mj$1@nnrp1.deja.com">news:95q1j7$3mj$1@nnrp1.deja.com...
> Why do trains sound horn when leaving platform?
>
> I live very close to a train station (Westmead), and I'm working
> towards reducing the amount of noise that comes from stations. One of
> the most annoying noises is the loud horn as the train is about to
> leave. It seems to me there is no real need to do it. If it is
> a 'signal' from the driver to the guard, surely another method could be
> used?
>
> Is it a 'safety' procedure?
> Is it an old habit that has remained because of inertia?
>
> Thanks for your Help!
>
>
> Sent via Deja.com
> http://www.deja.com/

I've always understood them to be warnings to any one on the platform that
the tgrain is about to move.  And if that is the case, then I believe it is
important, and should be continnued.

David