When Elon Musk’s highly anticipated Tesla Diner opened its doors in Los Angeles on July 21, it garnered significant media attention, with customers lining up for hours to try chef Eric Greenspan’s pie shakes and classic burgers served in Cybertruck-shaped boxes. This past weekend, however, the lines looked a little different.

Elon Musk's The Boring Company officially unveiled its plans Monday for the Music City Loop, an underground tunnel connecting downtown Nashville to the city's airport. Why it matters: Tennessee Gov. Bill Lee touted the project as an innovative approach to addressing Nashville's traffic congestion at no cost to taxpayers.