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Im not trying to draw any conclusions. It's a tragedy for all involved. I would suspect that an equipment problem has led to this, however it is anyones guess....
The treadle is in advance of the protecting signal obviously. Plus any track circuit in advance of the protecting signal which is interlocked with the crossing controls.
Are you an idiot!? The failsafe activates the red road lights, why the hell would it drop the barriers? I know such systems exist because i work in a signal box you doughnut....
I am not disputing the fact that this is a contolled crossing, as have i neither stated this is an auto crossing. What i am explaining is a fail-safe system which has likely activated after the incident had taken place.
I understand the principles of interlocking, the crossing is a full barrier type and locally monitored. My point is that an overrun treadle or the occupation of a controlling track circuit is the likely reason for the road lights to be on after the accident has taken place.
The Road lights are illuminated as a fail-safe. When the train strikes a treadle/occupies a track circuit within a certain distance of a crossing, it automatically triggers the road lights to start flashing....this should in theory prevent anyone from attempting to pass the crossing in a car...
Unfortunately, the Desiro's just are not able to cope with the temperature. They either loose the line light or catch fire. So much for german efficiency eh? :roll:
The ice forms a layer on top of the 3rd rail, when the pickup shoe tries to draw current it sparks and arcs like nobody's business.
That said, the 450's seem to be alot more prone to catching fire. 458's just seem to fail outright rather than catching fire lol
As far as i know, the following trains have caught on fire since the start of the month:
06/01 - 1W44 WOKING JN
06/01 - 2P69 HASLEMERE
06/01 - 1A26 BROOKWOOD
07/01 - 1Z26 WOKING
07/01 - 5B17 BASINGSTOKE
07/01 - 1T22 BERRYLANDS
08/01 - 5Y96 CLAPHAM JUNCTION
13/01 - 2G03 CLAYGATE
Train involved was the 0638 Portsmouth Harbour to Waterloo (headcode 1T22). Another driver in a passing train had reported the fire to the signaller. Just to top it off, another train in the line that formed had failed and needed to be assisted....
Just means they will lay an intermediate section of track alongside the bridge, which will connect with the track either side. It could either be a bi-directional line, or parallel running to keep up and down trains moving simultaneously.
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The Bridge will take anywhere from several weeks to months to replace. The short-term fix which has been put in place is to slew the line (place new track) on what used to be the old Marshalling yard. This could take a few days to do, and would likely result in block working taking...
Hello chaps, looks like GB is spot on with the bridge details. River Crane bridge 3/48. Its the one with the footpath on the down line.
Potentially looks like the whole structure might be replaced, lots of missing ballast and alot of damage to the concrete....could cause problems for quite...
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