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G'day,
Yes, the speed could be presumed by the derailment damage sustained along the perway and across the brick viaduct evident in the photo.
The NSW Illawarra is prone to landslip, and many moons ago land slip detectors were installed.
These being connected to the train control signal panel and putting signals back to stop when the sensors trip.
A rigmarole to then be granted permission to pass such a signal at stop within land slip detection territory.
This all was implemented after an interurban derailed where the track had been damaged due to landslip.
That interurban emu stomping its way towards a nearby house and knocking on the loungeroom windows.
Here we did have Caution Speed (aka 25 kph) to be implemented when ever signals had to be passed at stop due to failures.
But, after the Glenbrook Indian Pacific prang in 1999, that got hurled out of the rule book.
We now have RESTRICTED SPEED which has NO associated speed limit.
Trains MUST now travel at a speed which would permit stopping before any obstruction or track fault.
SO, all on the train hoggers head be it if he travels too fast and cannot stop in time.
Steve.
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