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61 points peutetre | 1 comments | | HN request time: 0.21s | source
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prennert ◴[] No.42195212[source]
The original plan was to have 18 trains running every hour in each direction between London and Birmingham [0]. This is tube frequency, and very difficult to do. Therefore the specs and designs were quite expensive. But however sophisticated (or not) the trains where, a _lot_ of money is needed to buy out property holders and construction.

However, this is a complete paradigm shift in the way of travel. This would have made Birmingham a suburb of London, as you can just go to the train station and hop on the next train as you do if you were to travel from anywhere within London.

The newspapers kept reporting the "faster" travel times which only shaves off "a few minutes" for a huge amount of money. But that was not the point. The point was capacity through frequency.

Over the years, this has been watered down. Now still a huge amount of money is spent on property buyouts and nature preservation / protection (the same higher frequency trains would have needed as well), on a marginally better service.

It seems to me (maybe thats wrong) that a lot of the fancy tech that is needed for increasing frequency could be had at relatively low extra cost, because there is this high base budget that needs to be spent whatever the performance of this new rail-line. So now HS2 is the worst of both worlds: expensive works delivering only a small improvement.

[0]: https://assets.publishing.service.gov.uk/media/5a82b56740f0b...

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moffkalast ◴[] No.42196594[source]
18 per hour, that's one train every 3 minutes or so? Doesn't that seem overly excessive? Every 10 mins is probably more than enough, just make trains slightly longer to accommodate capacity and the logistics would be easier.

I was looking at London-Plymouth trains a few months back and the timetable was like once every 2 hours and the last one was at around 5 PM. I think going to maybe once an hour and more than like 3 trains per day would be a decent first improvement before trying something this ludicrous lol. Perfect is the enemy of good.

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1. verzali ◴[] No.42202573[source]
The connection from London to Exeter is better. From Plymouth to Exeter the line runs right along the coast and they don't seem to be able to improve the capacity or speed.

The HS2 money would probably be better spent fixing bottlenecks like that to improve the overall capacity, not just to put so many trains between London and Birmingham.