Re: extra Rails?

["Dave Proctor" <daproc@spambait.ozemail.com.au>]

"jjjim" <jjjim@bigpond.com> wrote in message
3A769296.CD2A485C@bigpond.com">news:3A769296.CD2A485C@bigpond.com...
> Hi peeps,   I have noticed this before but took extra attention of it on
> the way home today:
>
> ON what apears to ONLY be on sections of Track that are going over some
> sort of bridge (say a creek  or over a road)  Are a second pair of Rails
> Right in the center of the track,  right next to eachother,  , say about
> 20cm apart  ,  I was wondering what there purpose was?.   I had an idea
> that maybe it was a saftey thing in the case a train was to derail on
> the bridge, helping to  prevent it from running right off the track..
> thus off the bridge and crashing into the creek / Road below!  which
> would no doubt cause  massive carnage  ,  would this be the reason, or
> am i way off ;)

Spot on - if the train derails, the "check rails" will keep the train within
safe limits, thus preventing it from falling off the bridge (or whatever it
is).

Dave