Construction of the 10-mile Music City Loop is expected to begin immediately after approvals, with the project potentially operational as soon as fall 2026.

Elon Musk's Boring Company will build a privately funded high-speed tunnel, the Music City Loop, connecting Nashville International Airport to downtown. While state officials and the U.S. DOT secretary expressed enthusiasm, Nashville's mayor raised operational concerns and some residents voiced skepticism.

In his most detailed comments to date about The Boring Company's underground tunnel project in, Mayor Freddie O'Connell said he's known of the company's interest for about a year.