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It is dropping in priority. The original announcement very much gave the impression that it was a definite scheme in the programme as part of the so-called Electric Spine. My understanding now is that it is being treated as a "feasibility study" as the preliminary costings are starting to look...

Yes the others are Relay Interlockings. In very basic terms an SSI is a processor (and hence software) controlled interlocking with its control tables defined by data.

Hmm. Off the top of my head Wimbledon ASC has 11 interlockings of which two are SSI. Neither of them involves the signalling between Clapham Junction and Waterloo.

Daft or otherwise I understand that it will be restored to the condition it was before.

The story doing the rounds at our place is that somehow during the possession the traction bonding got screwed up. The result being that when traffic started a bonding cable was subjected to a massive overload current with consequent pyrotechnics and various things melting including part of one...

Nope. There were railway power stations at Durnsford Road and Rotherhithe on the SR

It's all gone pear shaped this morning though

Just thought I'd chuck this into the melting pot. From Roger Ford's latest Informed sources preview: "Ridership growth is not universal Everyone knows that the railways are enjoying unprecedented growth. In its latest publication the Rolling Stock Strategy Steering Group fills factories...

The javelins use the domestic platforms The best view is probably from the ends of the international platforms but unfortunately you can't get on there as a spotter

Minor point but it's actually 90 through the station there. The 100 finishes on the Up Fast just before Byfleet & New Haw. There's no 100 on the Down Fast until after Farnborough.

Ok thanks. That's what I thought ought to be the case.

I have a question about the ALR validity restrictions introduced a while ago on "boarding" and "alighting" certain TOC's services at certain stations before 10am. Take the 0659 VT service from Lancaster to Euston as an example. This departs Coventry at 0930, arrives Milton Keynes at 0958 and...

Thanks for all the information. I shall in future approach the maps with less trepidation. I wondered the other day how many different ways there might be to use the ticket legitimiately. I thought my initial list was optimistic but it turns out to have been the opposite.

It's the maps. My vague understanding is that when two maps are involved you look for nodes which appear on both to give you the transition points from one to the other. However when I do that I invariably end up with at least one route which sounds implausible to me so I assume I've got the...

Thank you. I've looked at the routing guides before and can never make any sense of them whatsoever, hence the question.

I agree with A-driver, sounds like the APC receiver. The APC receiver is on the bogie.

I'm interested in all of the valid routes for a Dover - London (plus High Speed) season ticket. I've drawn up a possible list (below) and I wondered if one of the ticket experts could kindly advise if all the routes in the list are valid (or if there are any I've missed). The ones I...

377s are diagrammed for some trains on all Southern Metro routes. So whether you get a 455/6 formation will depend on the specific train.