alt.hn

1/17/2025 at 3:00:32 AM

Driving blind: NYC subways steered by 1930s tech, paper maps and a lot of hope

https://gothamist.com/news/driving-blind-nyc-subways-steered-by-1930s-tech-paper-maps-and-a-lot-of-hope

by haltingproblem

1/17/2025 at 4:03:07 PM

This Geoff Mashall video has some signalling systems from the 1880s and ends on some up to date ones.

https://youtu.be/UCXav-ptPeA?si=UzzyU8FSV11a67fN

by stuaxo

1/17/2025 at 9:18:52 AM

Why does it cost $5 billion to upgrade? The article says they have a working, reasonably modern system.

So is it $5 billion worth of excavations or construction? How much does it really cost to add these cables? Couldn't the cables go in metal tubes attached to the walls of the tunnels? How does that cost $5 billion?

by ilaksh