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Perhaps EM Could Sponsor This With His "Pay Rise"!

A Russia-USA railway-tunnel under the Bering Strait, that is.

Yes, this old chestnut, either tunnel or bridges, first proposed back in the early 1900s, resurfaces now and then. Bridges, plural, because they would presumably use two mid-Strait islands.

I was alerted to this by a brief item in the latest edition of geology magazine Down To Earth, which had been tipped off by a reader sending a Press cutting.


Why my headline? After one of Presidents Putin's & Trump's telephone chats, Karil Dmitri, the head of Russia's sovereign wealth fund, suggested reviving the plan to Elon Musk. I can't see he could done so without Mr. Putin's approval or even instruction.


Twenty minutes' browsing revealed history and analysis, but only one website, that of a group called "Interbering", considered the little matter of the geology, and then only by a very simplified section. And as DtE editor Chris Darmon commented but the Interbering diagram omits, the tunnel would cross a continental plate boundary....

While building some thousands of miles of connecting railways and roads in both nations, across very remote, frigid, seismically-active regions topped by permafrost that climate-change could thaw, may cost even more than Dmitri's projected $8 Bn apparently only for the tunnel itself.

The railway would be electrically-powered of course; adding to the building and maintenance expense including Amtrak having to electrify its main lines, or at least those serving the tunnel.


The proponents also ignore another little matter in their enthusiasm for a complete USA - Russia -China - Europe railway line. Track gauge!

The USA's, Canada's and most of Europe's railways are to Standard Gauge: 4' 8½" (1435mm).

Finland, Russia and China use the Russian, 5' gauge (rounded to 1520mm).

It is that gauge commonality, as well as relatively simple, stable geology and ease of physical access - oh, and fairly simple, stable international politics - that allowed the Channel Tunnel (railway) to succeed. That is only about 25 miles long, as well, whereas the Bering Strait crossing, in a very remote, seismically active, Arctic area, would be around 75-80 miles long.

I think the loading gauges (rolling-stock maximum height and width) differ too.


Well, it would excite The Three Narcissists no doubt, but be practical technically? Not really. Financially? One analysis I read predicts a huge loss because the US / Russian trade was already small even before the present war, and it would be unlikely to compete with general international shipping sufficiently to recoup the enormous building costs likely to increase as time goes on. I think the main trade would be USA / China.


I did not find Mr. Trump's views on it - perhaps he'd call it "great" and "big" and "beautiful".

Perchance to dream....

.....

Some years ago, then-PM Boris Johnson suggested, or was taken by someone else's suggestion, a bridge from Northern Ireland to Scotland, across the narrowest part of the Irish Sea. This is the same Johnson who suggested a huge artificial island in the Thames Estuary, for an airport.

Don't politicians ever learn basic science including physical geography, let alone even lay-level engineering?
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James57 · 61-69, M
The idea of a crossing to Ireland is just a nonsense idea that comes up from time to time.
There won't be a tunnel from the narrowest point on the Rhins. We can see Ireland from our house, but there is a deep trench in the middle of the North Channel that was used for dumping unrecorded amounts of munitions and possibly nuclear waste.
I have not seen it mentioned but the wind here would put severe limitations on any bridge.
A link from Kintyre isn't feasible because of the long overland distance to get to get there. We were on Kintyre a month ago but we took two ferries to get there by crossing over Arran,
ArishMell · 70-79, M
@James57 Thankyou for that extra information.

Looking at the Kintyre alternative, by road atlas....

The extra road distance might not be a serious problem because the whole idea is a quicker, simple alternative to the ferries, if accompanied by simply up-rating the existing roads, despite being a loing way round.

I recall a destination board in Dumbarton, reading "Campbeltown 100" - the driver of our car pointed it out and said "Campbeltown is just beyond those hills!" we could see ahead.

If they were to bridge the Irish Sea I'm sure they could also bridge the Forth of Clyde and Sound of Bute. Or perhaps the Clyde from Gourock to Dunoon, then Loch Fyne at Tarbert.

Otherwise, yes, the problems you describe would make either a bridge or tunnel not feasible. A tunnel would need descend a long way to pass safely under the trench (some 200 feet deep?), greatly increasing its own length.

I don't know how much a problem the dumped ammunition would be, as a lot may have corroded away by now, but anyway the trench itself would be a serious engineering obstacle. If it lies along a fault, tunnelling below it may be extremely difficult due to sea-water penetrating the fault-plane.

Besides, the whole scheme would be so costly that it would likely never recoup that even with tolls that would have to be high but compete with the ferries.

...

As you say, a nonsense idea.

I think politicians seeking glory but lacking any sense of engineering or physical geography, just look at road-maps and pictures of the Channel Tunnel and Golden Gate Bridge, and assume their pet schemes are just as easy and feasible.