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Re: Signalling queries



"Tony Gatt" <baulko@optushome.com.au> wrote in message news:PAxV6.2535
| "Bradley Torr" <truenorth@one.net.au.SPAMTRAP> wrote in message
| > Tezza <tezza2000@dingoblue.net.au> wrote in article
| > > Normally, they'd ring Control and be told whether they were to travel
on the
| > > staff or ticket. Fuckups do happen though. A train could break down
causing
| > > the order to change. I think these days (no longer using staff and
ticket),
| > > thek'd use a SAO.
| >
| > Train crews use dry savoury square-shaped biscuits to let the signalling
| > system know that the train has entered a new section? :-)
|
| In the days before staffs, tokens were used, and they were commonly
reffered to
| as "biscuits".....
|
| (SAO = Section Authority Order - Screwup release form)

SAO = Special Authority Order.