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Richard Gadsden's avatar

This story is relevant, promise:

I remember doing an InterRail in 1991 and riding on the then-newly-built TGV Atlantique. There were pictures up showing the current and future TGV network. At the time, there were only two sections of LGV (high-speed track) in France: the first was LGV Sud-Est from Combs-la-Ville (just outside Paris) to Sathonay-Camp (just outside Lyon) and the other was LGV Atlantique from Gare Montparnasse in Paris to Gare Saint-Pierre-des-Corps in Tours and to Gare du Mans in Le Mans. The "future" map showed a complete network - extending the line from Tours to Bordeaux and Toulouse and Bordeaux to the Spanish border and also from Le Mans to Rennes and Nantes, from Lyon to Avignon, Marseilles, Nice and the Italian border, building a new line north from Paris to the Channel Tunnel and east to Strasbourg and the German border, building a new line southeast from Paris through Dijon to the Swiss border near Basel, and building a new line northwest from Paris into Normandy (to Le Havre and Caen).

Most of these lines have been built or are under construction - Le Mans/Nantes was completely cancelled, Bordeaux/Spain is delayed, the Normandy lines are probably never happening, and Macron has some personal beef with Nice which means the line to Nice and Genoa won't happen until after he stops being President (but, even so, he won't fully cancel it; he just refuses to fund it). There are also two entirely new lines that weren't on the 1991 plan - the line from Avignon to Montpellier and Perpignan and the Spanish border (for Barcelona), which is nearing completion, and the line from Lyon to the Italian border (for Turin), where the tunnel through the Alps (Mont d'Ambin Base Tunnel) is being dug, but the connecting lines are still at the planning stage. I think the reason for these being added later is that they were motivated by the Italians and Spanish wanting to connect to France.

But the point here is that at the point that is the equivalent of finishing London to Birmingham, France had already announced a high-level plan for a national network. I saw that on a train in 1991, but I'm pretty sure it existed much earlier than that. We're talking about a plan for the next 40-50 years of LGV construction. Spain is pretty similar; they built their first line (Madrid-Seville) and then drew up a national plan and have, similarly, largely stuck to it.

The reason is that a national plan is pretty obvious.

Here's one for the UK:

1. A line from London to Birmingham.

2. A line from Birmingham north, passing between Manchester and Liverpool, continuing to Scotland and passing between Edinburgh and Glasgow before finishing at a connection in the Falkirk/Stirling area to the lines going to Dundee/Aberdeen and Inverness.

3. A line from Birmingham going east and then north, passing near Nottingham and then between Leeds and Hull, near or through York and terminating at Newcastle.

4. A line from Liverpool through Manchester, Leeds and Hull, connecting to both lines 2 and 3.

5. A line from Glasgow to Edinburgh, connecting to line 2.

6. A line from London to Bristol and Cardiff.

7. A line from Bristol to Birmingham.

The following lines are possible extensions:

8. A line from Southampton to link to the line from London to Bristol.

9. A line from Bristol to Exeter.

10. A relief line from London to Nottingham (to relieve London-Birmingham if there is too much traffic on that line).

11. If the relief line is needed, a line from that relief line to Cambridge, which branches at Cambridge and runs to Norwich and Ipswich.

12. A connection to HS1, probably from the relief line.

The advantage of announcing it like this is that you never cancel things, you just delay them - if it changes from "we'll build this in 40 years" to "we'll build this in 50 years", no-one really cares, but also it means that each section has to be designed so the future sections get built right: there's no way anyone would ever underbuild Euston if you know that the links to Manchester and Liverpool and Leeds and Newcastle and Glasgow and Edinburgh are going to get built eventually. There's no way anyone would propose a terminal station in Manchester if you know that a line to Leeds is going to happen at some point. At the moment, they are building a space inside Old Oak Common where the TBMs to go to Euston will be buried waiting to be used. This is so that when the Euston line does get the go-ahead, they can start digging out the tunnels immediately - because OOC is designed to be connected to that Euston line eventually.

Of course, you don't have to do the detailed plan of something you're not going to start building for 40 years, but you can incorporate the high-level fact into anything else you build (there are French cities that built tram networks connecting to their future TGV station a decade or more before there were any TGVs running into that station)

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Eliot Barrass's avatar

It's interesting James, that for all your talk of 'green growth', your ambition is so limited and dare I say SE-focused? Does anyone else remember when "HS2" was meant to go all the way to Newcastle?

Building HS2 would of course be great for people in Manchester, but it's a stretch to say that it would generate "levelling up" - how could it when it would still take c.2 hours to get from Durham to Manchester? In practical terms, anywhere further north or east than, say, Leeds would not feel any benefit from HS2 in either 'completed' or 'truncated' form.

Which is all to say that I don't buy the argument that HS2 is so nationally vital that it requires deviation from the 'plan' - actually building HS2 as a proper piece of national infrastructure that is felt on the ground to benefit the nation on the other hand...

TL:DR - I am here for let's build three new high-speed lines in the next ten years (circumventing the planning and regulations if needs be). I couldn't really care whether the high-speed line serves only Birmingham or Manchester also. (I am aware that HS2 should really be called "Freight 2" but I would say that a new freight line is not really nationally important except in the abstract).

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