Elon Musk's Chicago tunnel will link downtown and airport in 12 minutes
Elon Musk's infrastructure firm The Boring Company has revealed plans to bring its super-fast tunnel system to Chicago, where "autonomous electric skates" travelling up to 150 miles per hour will link the city's Downtown area with O'Hare Airport. More about Elon Musk's Chicago tunnel will link downtown and airport in 12 minutes