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Re:Driver Monitoring Raises Complexity, Adds Privacy Concerns by bmismyname on Friday September 02, 2022 @02:20PM (#32694097)
Let's say you're right, and cities are low density. So what? What precludes them from having good public transit? Roads exist, why can't they be rail lines instead?

Roads are quite expensive, and there are many internet resources with tons of evidence and arguments about this: strong towns, not just bikes, climate town, etc.

Re:Driver Monitoring Raises Complexity, Adds Privacy Concerns by toast0 on Friday September 02, 2022 @03:20PM (#32694756)
Roads are much easier to interconnect than rails because road vehicles can make much sharper turns and handle steeper grades.

Point to point navigation has high utility and is difficult to acheive with rail.

Minimum viable roads are actually quite inexpensive: clear large vegetation from the path and there's a usable road. You can incrementally improve with path markers, grading, gravel, pavement, etc. Minimum viable rail is a much higher standard, which needs grading, railbed preparation, laying the rail, signalling and operations.