News for hackers. Stuff that matters.

A comment on ‘The Trains Are Slower Because They Slowed the Trains Down’. Parent comment

Re:‘The Trains Are Slower Because They Slowed the Trains Down’ by gsnedders on Tuesday March 13, 2018 @04:02PM (#16579262)
> 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.

[ Parent | on HN ]
Re:‘The Trains Are Slower Because They Slowed the Trains Down’ by mseebach on Tuesday March 13, 2018 @06:05PM (#16580302)
And 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.
[ Parent | on HN ]
Re:‘The Trains Are Slower Because They Slowed the Trains Down’ by gsnedders on Tuesday March 13, 2018 @06:57PM (#16580640)
Well, 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.
[ Parent | on HN ]