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:D Could call it 'dynamic regauging' or something to sell the concept

But I think its fair to hypothesise that there will be a minority of repeat offenders who have worked out that not much will happen of they get caught, and for whatever reason don't feel a moral obligation to pay their fares if they can get away with it. Personally I feel that there should be...

Not to mention the signalling system and platform screen door spacing being incompatible.

Trying to think about uses of power at stations, I think as others have said putting LED lights in, potentially on movement & daylight sensors / timers seems like it could have a large impact on energy consumption given the number of lights there are at stations! I wonder if e-paper (like...

I used Bristol Airport once - got a taxi on the way there as we were going very early when the airport busses aren't very frequent and getting to the station where they set off from would have been a pain too. It was only about a tenner more expensive than bus tickets for two of us. I thought...

I sort of see what they're saying in that a freight-only hyperloop wouldn't have the same safety and security concerns that a passenger one would, and some corners could be cut (e.g. turn radius). However, I am certainly with the OP here - unless there's been some massive advance I'm not aware...

Personally I haven't seen any breakdown of solutions so was just brainstorming - however, I have no doubt that Network Rail has / could come up with these and many more potential solutions. I think the point is that issues like this are used as an illegitimate excuse by people who actually want...

How about plexiglass barriers like you get on some motorways? Would prevent physical access but wouldn't block light or the view. Sure they might still be a bit of an eyesore but would allow the scheme to go ahead and might even reduce noise for the residents too into the bargain!

Indeed. And even if they did decide to go ahead with Crossrail 2 anyway, it seems potentially likely that (as others have suggested) a final decision on whether to go ahead or not will be delayed until there's a year or two of data from Crossrail 1 performance. This would then push it back even...

I don't think it's yet clear exactly how Crossrail 2 will be funded, but last I heard the government was providing half the capital and TfL/the mayor would have to fund the rest. I guess one key difference with 'the North' is that there is no equivalent body to TFL (transport for the North...

I haven't actually seen that article and I don't know the details, but it won't be a simple case of 'more' or 'less'. The emissions will fit a particular profile, and if the IET has higher emissions at a particular frequency which equipment happens to be susceptible to then it might cause...

I think GL/RT1210 says that 29kV is acceptable for up to 5 minutes, so shouldn't be an issue. I suspect that older rolling stock would probably tolerate an even wider range of voltages too.

I'm not really familiar with signalling projects, but I'd imagine that the risk of errors resulting in a train collision will have been in the hazard record. To control that hazard, I'd imagine that applying standards and using competent personnel (and apparently clipping these points) will...

This is all a bit depressing! It feels like pretty much every class of new /recently introduced rolling stock from all manufacturers is having major problems / delays at the moment. What's going on! It does seem like a large proportion of problems are with train software, and I can't help...

Local news has put up some pictures of the construction work : Link

Suppose that's one option for de-icing :D

Woops, had that wrong, must have been thinking of something else.

Indeed, looking at the Curzon Street information paper (Google 'hs2 phase one information papers stations and key locations (series H)' and the relevant .gov Page should come up), the actual predicted usage is 25k per day in 2026, and 66k in 2041 (6 years after completion of phase 2). These...

I guess there's no reason you couldn't have two of the arming loops different distances before the trigger loop (therefore setting tpws off at different speeds) and only have one of them powered at the same time... No idea if that actually exists though!

Does seem rather odd that a surge could work its way through all the fancy new electrics and end up frying a brake controller (I presume the power would have been through at least one ac/dc converter which shouldn't have passed on any overvoltage?). Seems like a rather obvious requirement that...