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> Wow, that's a bit ridiculous. Less than what's happened with the London Underground Sub-Surface Railway, which is now on the third resignalling contract to g
by gsnedders 9y ago
> Wow, that's a bit ridiculous.
Less than what's happened with the London Underground Sub-Surface Railway, which is now on the third resignalling contract to get them to GoA Level 3.
- mseebach 9y agoAnd here we are approaching the crux of the issue. Building a new line so it's fully automatic is relatively straightforward. Re-engineering an existing line to make it automatic (without shutting it down for months, which understandably is rarely an option) is like performing open heart surgery on a patient while he is running a marathon.
- gsnedders 9y agoWell, and the SSR is particularly hard (given National Rail services run on parts of the LU-owned SSR infrastructure); the Northern Line automation was nowhere near as painful.