Re: Crossing loop design (r.e. Southern Aurora crash)

[David Johnson <trainman@ozemail.com.au>]

MattyQ wrote:

> There is a formula and it is quite simple. The standard Victorian signal has
> 2 three aspect signal heads on each post (lets not get into low speeds
> etc.). Each signal head can display red, yellow or green. The upper signal
> head denotes full track speed. The lower signal head denotes medium speed
> which, in the Book of Rules, is 40km/h (again, lets not get into 65's etc).
>
> If a proceed aspect (G or Y) is displayed in the upper head only, you may
> proceed at full track speed for that area.  If a proceed aspect (G or Y) is
> displayed in the lower head only, you may proceed at medium speed. In both
> cases, the other signal head will be Red.

Finally, someone has posted something about the Victorian signalling system that
makes sense!  Thanks, MattyQ.  I can now see how they work it out, but I like
the NSW system better. :-)

--
David Johnson
CityRail Guard
trainman@ozemail.com.au
http://www.ozemail.com.au/~trainman/