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| Preventing SPADs - the Sydney way 23/07/2013 at 07:06 #47485 | |
Jezalenko
25 posts |
Here is one method of preventing "ding ding and away" SPADs. Trains in Sydney, Australia have this indicator at every platform.  The indicator shows a blue aspect when a proceed aspect shows on the next signal, and is unlit when a stop aspect is shown at the next signal. Therefore, the guard is not permitted to let the train proceed without a blue signal - hopefully preventing SPADs! Post has attachments. Log in to view them. Log in to reply |
| Preventing SPADs - the Sydney way 23/07/2013 at 07:57 #47487 | |
jc92
3685 posts |
presumably the Australian version of an OFF indicator?
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| Preventing SPADs - the Sydney way 23/07/2013 at 10:08 #47488 | |
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Sparky
84 posts |
Trains in Sydney, Australia have this indicator at every platform. I beg to differ. Guards indicators are usually only installed when there is a signal within a nominal distance (250m from memory) from the end of a platform. They are not installed to prevent SPAD's they are installed so the guard doesn't close the doors & give the driver a right of way when the signal is at stop. Originally this was done when trains only had manual doors and they didn't want the above scenario happening with people trying to enter the carriages. I intend to live forever. So far so good Log in to reply |
| Preventing SPADs - the Sydney way 23/07/2013 at 11:43 #47491 | |
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Albert
1315 posts |
In The Netherlands there are also indicators like these, one white light with a V under it, which light up when the signal shows a proceed aspect. They are indeed to be used by the guard.
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| Preventing SPADs - the Sydney way 23/07/2013 at 11:52 #47492 | |
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Jan
906 posts |
And in Germany as well.
Two million people attempt to use Birmingham's magnificent rail network every year, with just over a million of them managing to get further than Smethwick. Log in to reply |
| Preventing SPADs - the Sydney way 23/07/2013 at 12:10 #47493 | |
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Albert
1315 posts |
These indicators have not prevented a SPAD of an intercity on 11 October 2008 at Gouda station, The Netherlands. The train collided with a diverted Thalys service, and a steam engine coming from the opposite direction could stop just in time because the stoker saw the accident happen.
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| Preventing SPADs - the Sydney way 17/08/2013 at 09:17 #48527 | |
flabberdacks
636 posts |
Sorry to bump an old thread  The guard's indicators are there just as a repeater for the signal, if the guard's view of the actual signal is or could be obstructed, such as on curved platforms. On dead straight track where there is a signal in clear view just off the end of the platform, there are many stations where there are no guard's indicators installed.
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| Preventing SPADs - the Sydney way 18/08/2013 at 04:12 #48565 | |
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pilotman
189 posts |
They are also omitted when a banner repeater is installed (for the driver) and by its location is suitable for use by the guard.
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