> > Why not use the same system (whatever that is) as is used for the light=
s
> and
> > bars on railroad crossings? Then you get the same safety levels as for =
a
> > crossing. It too must sense a train from about 2km away, or?
>
> There are no systems nearby. It could be kilometers away.
>


I think there was a misunderstanding here. We're not suggesting using a
train detection system that is _already installed_, we're suggesting that
these systems are commercially available and could be purchased and
installed for this purpose.

-Denny
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