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Self-driving Waymo cars keep SF residents awake all night by honking at each other
(arstechnica.com)
This is a most excellent place for technology news and articles.
The only reason trains are not self-driving is humans designed the whole system in a too complicated way. Trains had all the ingredients for safe self-driving for decades.
In the US a few decades ago the big rail companies were given the ultimatum to upgrade their safety infrastructure or have a national speed limit of 79 mph imposed on them.
Guess which they did?