Re: Signalling queries

["Tezza" <tezza2000@dingoblue.net.au>]

"Bradley Torr" <truenorth@one.net.au.SPAMTRAP> wrote in message
news:01c0f26c$29211e80
| Eddie Oliver <eoliver@efs.mq.edu.au> wrote in article

| > In ordinary train staff and ticket working, there is only one staff for
| > a section; when not in use, it lives in a box at either end of the
| > section, but also in the boxes are bits of paper called "tickets". If
| > more than one train is to pass through the section in one direction
| > before one goes the opposite way, the first train(s) carries a duly
| > written-out ticket after the driver has seen that the staff is at the
| > correct end of the section; the final train in that direction physically
| > carries the staff through the section.
|
| OK, under staff-and-ticket working, what is to stop a driver using a
ticket
| instead of the staff when entering a particular section, when the next
| train scheduled to enter the section is coming from the opposite
direction?
| In this scenario, if the driver of the first train uses a ticket instead
of
| a staff, when the second train arrives at the other end of the section,
| there will be no staff there for the second train to pick up!

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.