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These look like underground, single vehicle tunnels. It got me wondering why tunnels instead of building above ground. It looks like 1) tunnels are much less expensive in dense areas than above-ground roads, and 2) more tunnels can be added as needed by digging deeper (so the company says).

This is cool. I have no idea if they'll solve traffic jams or succeed as a business. There are many issues to solve (ventilation, safety exits, traffic from accidents and exit queuing, etc.). But, having lived in LA and seen how traffic alters livability of a region, I love that they're trying.



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