[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: RIP ASW?



On Fri, 30 Jul 1999 02:00:25 +1000, David Johnson
<trainman@ozemail.com.au> wrote:

>David Langley wrote:
>
>> David Johnson wrote:
>>
>> > It will stop a minor over-run causing a major disaster.
>>
>> In railway signalling on a single line, there is no such thing as a minor over-run.
>
>Yes there is.  Picture this scenario:  A train is entering the loop, but the driver
>puts the brakes on a bit too late and goes 10 metres past the signal.  This is my
>definition of a minor over-run.
>
>In NSW, the train would just back up and there would be no damage (apart from the
>driver's butt)
>
>If running crosses were allowed, and it was a long loop, the train could have
>potentially hit the side of the opposing train which could have been travelling at
>speed.
David on the main south line a overrun of 10 meters on the loop road
will cause the loco to derail through the catch points AKA the XPT at
Henty a few years ago.
regards Paul Johnston (MNRC)