I wonder if we'll ever get back to "High Speed Air" in my lifetime. Back in the 70s, you could rock up at the airport twenty minutes before your flight left, jump on with minimal hassle, and cruise along at 600mph to your destination. Now, you need to endure two hours of having your fingernail clippers confiscated so that you can fly at 500mph to save on fuel costs. That seems to be the true advantage of rail travel.…
Thankfully, train do not have checked luggage and no practical technological way to introduce it (i.e. something that does not require to rebuild all the stations, most of them deep in the cities) - so there is a huge commercial imperative to tone down the security theater . I hope at least, I don't want to be proven wrong on that one. Boarding the Eurostar for example, is definitively not a 5 min job, more like 1 ho…
There's a passport check, and a 30km undersea tunnel, which is probably considered a terrorist target. Knives, alcohol etc are permitted, but not compressed gas or liquid fuel. (I tried this once, on a camping trip.)
You can take an almost identical train from King's Cross to Glasgow, arriving 5 minutes before departure (or less, 2 is the minimum recommended time).