There are many semi autonomous. To go full automous you want modern signaling, platform doors (which is hard if any platforms have curves), basically all the m

There are many semi autonomous. To go full automous you want modern signaling, platform doors (which is hard if any platforms have curves), basically all the modern safety systems. Here's Jago Hazzard (london train youtuber), on why the London underground won't go driverless. https://m.youtube.com/watch?v=4Eh7-n5UAYs https://m.youtube.com/watch?v=4Eh7-n5UAYs While the LU is very old, the system is in a much better state than the NY subway, but it is still way to much work.