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Sectional Appendix has 75mph all the way from Bulkington to Nuneaton South Junction, the section that includes the bridge.

Every time there's a serious bridge bash the forum has a big discussion about prevention and mitigation. It never comes to any firm conclusion because you're not going to find a simple, single, cost-effective solution to the problem. There's no physical protection solution that you can fit to...

I'm reasonably sure it's just "Hendon Flyover". The sectional appendix doesn't give it a particular name.

I wonder if that's a) an oversight in the design b) a result of the hot weather c) a deliberate design choice to slow cyclists down in a busy mixed-use area

Not sure I agree with this. HS2 proposed service patterns were easy to find. For example just searching for "proposed HS2 service pattern" finds this 2013 document that does exactly that...

They only bit of route that's conceivably left to cut is OOC to Euston. Everything else north of Birmingham has already been cut. Well, I suppose they could really hobble the project by getting rid of the WCML link so that HS2 is literally just a shuttle from OOC to Birmingham forever.

The Camden Highline would have been pretty short too - about 750m compared to say the one in New York at 2.3km. Which isn't nothing, but there's something about "old railway linear park" that makes you want a "decent" length of parkland and somehow 750m feels too short.

Yeah it's probably feasible to do specifically the "lots of vehicles travelling in tight line formation in a tunnel at the same speed" thing. It's when you want to turn it into a functioning transport system with turnouts, stations etc. that it all falls apart.

I will place a very large bet that this will never happen. 20,000 pphpd is metro levels of service and the idea that you can run that with individual 12-person vehicles is, to put it mildly, fanciful. The existing stations and tunnels definitely can't support that, not least because some of the...

This topic should have it's own thread as it's not HS2 related, but just because I have to ask: where are you putting all the freight? Back on the roads?!

It's not even a valid assumption *now*. Many countries of similar size and population to the UK have high-speed rail. Italy and South Korea are probably the closest examples. And of course Taiwan is comparatively tiny and still has a HSR line that they are extending.

Concorde is hardly a fair comparison because a 360kph train can carry just as many passengers as a 300kph one and the energy requirements to go an extra 60kph are proportionally nowhere near as much as going from Mach 0.92 to Mach 2. The Shanghai maglev is not a high speed rail network and I...

Depends on the number of chips of course. I can imagine on the sleeper that you're paying £1 a chip.

This is why AI chatbots are generally useless because they're most often just trained on the content of the website which is frequently out of date/contradictory.

I can't find that on the GC website. Where are you looking? I just tried to book a bike space on a GC journey next week (through their website) - it didn't charge a bike space fee, but it did force the "collect from a ticket vending machine" option for the tickets, which has a £1 charge. This...

Class 68?

Yep, thought I might have made it too easy!

Turbostar in new XC livery?

Yep, in my experience the ramps make things worse, they just hold things up as people try to use them and then get pedals/panniers stuck on something.