Our booking engine at tickets.railforums.co.uk (powered by TrainSplit) helps support the running of the forum with every ticket purchase! Find out more and ask any questions/give us feedback in this thread!
There's nothing to say that future Elizabeth Line rolling stock must be Alstom-made. The signalling system is off-the-shelf Siemens CBTC in the core, and ECTS outside of it. The only bespoke part of the whole affair is the platform screen doors.
I assume the poster is implying that the UK would be affected by any supply chain issues, but the 710 is old enough and ubiquitous enough to the extent that third party manufacturers can almost certainly fabricate spare parts as needed already. If anything, the CAT engine is more of a risk in...
The push notifications are similar but subject to their own rate limiting. It wouldn't be possible to send as many push notifications as there are announcements.
You mean like travellers for the Scottish Highlands heading from the north to London to pick up the sleeper?
It might look odd on a map, but if it's the quickest route then it's the quickest route.