CHICAGO — Elon Musk's Boring Company has put in a bid to build an express transit link between O'Hare airport and downtown Chicago. <br />Chicago Mayor Rahm Emanuel announced the city would be accepting proposals to build an express service from the airport to downtown last Wednesday, according to Newsweek. <br />Soon after Musk tweeted, "The Boring Company will compete to fund, build and operate a high-speed Loop connecting Chicago O'Hare Airport to downtown." <br /> <br />The loop would be a system of tunnels underneath the city that would use electric pods rather than a vacuum tube like the hyperloop concept. <br /> <br />The proposed route would be less than 20 miles and would need to take less than 20 minutes, according to Mayor Emanuel. <br />The Boring Company will need to present plans on design, finance, construction, operation and maintenance of the Loop system. No taxpayer funding will be made available for the transit project.