Nearly a decade ago, the billionaire said he’d build a hyperloop. Since then, he’s mostly built tunnels for Teslas and his own employees.

The Boring Company, Elon Musk’s tunnel-digging company, and Tennessee Governor Bill Lee have announced a plan to build a 10-mile “loop” that will connect Nashville’s downtown and its convention center to the area’s airport.

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