Many journalists and social media experts are surprised that Elon Musk would go into a business that he doesn't understand and refuse to listen to anyone who does. But we who work in urban transport planning already knew this about him. https://humantransit.org/2018/12/elon-musks-tunnel-it-doesnt-scale-so-it-doesnt-matter.html
Elon Musk's Tunnel: It Doesn't Scale, so it Doesn't Matter — Human Transit

Elon Musk just gave the media a tour of his 1.5 mile prototype tunnel under Los Angeles, which he spent US$10m to build.  Why are Elon Musk’s tunnels so cheap?  Because they’re tiny. As media photos of the event will show you, the tunnel is just slightly wider than a car.  That means that if […]

Human Transit

@humantransit "If it doesn't scale, it doesn't matter."

Well said!