“In late 2016, billionaire Elon Musk was sitting in traffic on West Los Angeles’s notoriously clogged 405 freeway while shuttling between one of his Bel Air mansions and SpaceX’s headquarters in nearby Hawthorne. Fed up with “soul-destroying traffic,” he initially suggested adding another layer to the 405 before tweeting out an even more far-fetched idea: a 3D network of tunnels.
The idea is even more complicated than it sounds: Teslas would drive from the street onto elevator platforms called car “skates,” be lowered to tunnels below ground, and be propelled autonomously at 120 to 150 miles per hour to their destinations, while their passengers relaxed. Thus was launched the Boring Company.
Musk’s new company bought a machine and started boring a tunnel under Hawthorne. An opening party for the test tunnel in late 2018 received mixed reviews. The path was bumpy; the cars did not drive themselves, and they never went faster than 40 miles an hour.
In the years since, the company built a 1.7-mile-long tunnel under the Las Vegas convention center, in which passengers are ferried back and forth in human-driven Teslas. Proposed projects in Los Angeles, Chicago, and Baltimore were scrapped. But that hasn’t stopped cities large and small, in California, Kentucky, Texas, Florida, and elsewhere, from expressing interest in building tunnels for cars. But as Curbed’s Alissa Walker explains on Today, Explained, the company is continually ghosting these cities once they bump into permitting issues or other infrastructural complexities.”
https://www.vox.com/recode/2022/12/8/23498861/elon-musk-boring-company-tunnels-finished