In 2017, Musk founded the Boring Company to construct tunnels and revealed plans for specialized, underground, high-occupancy vehicles that could travel up to 150 miles per hour (240 km/h) and thus circumvent above-ground traffic in major cities.
Early in 2017, the company began discussions with regulatory bodies and initiated construction of a 30-foot (9.1 m) wide, 50-foot (15 m) long, and 15-foot (4.6 m) deep "test trench" on the premises of SpaceX's offices, as that required no permits.
The Los Angeles tunnel, less than two miles (3.2 km) in length, debuted to journalists in 2018.
It used Tesla Model X's and was reported to be a rough ride while traveling at suboptimal speeds.
Two tunnel projects announced in 2018, in Chicago and West Los Angeles, have been canceled.
However, a tunnel beneath the Las Vegas Convention Center was completed in early 2021.
Local officials have approved further expansions of the tunnel system.
In 2021, tunnel construction was approved for Fort Lauderdale, Florida.
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