Source: The Boring Company - Music City Loop FAQ, updated Aug. 14, 2026
A Much Bigger Music City Loop
The Music City Loop most Nashvillians first heard about was easy to summarize: an underground connection between downtown and Nashville International Airport. The project now being described by The Boring Company is significantly larger.
In an FAQ updated August 14, TBC describes the Music City Loop as an almost 25-mile underground transportation system connecting downtown Nashville, Music City Center and Lower Broadway with West End Avenue and BNA.
Two Major Alignments
The current route description identifies two primary corridors. The Airport alignment begins at Lot 16 near the State Capitol, runs south along Rosa L. Parks Boulevard to 8th Avenue South, continues southeast along Lafayette Street and Murfreesboro Pike, then follows Donelson Pike to a point near Nashville International Airport.
The Broadway alignment extends southwest from Lower Broadway and follows West End Avenue past Centennial Park and Vanderbilt University before terminating near Interstate 440.
Why “25 Miles” Can Be Confusing
The nearly 25-mile figure should not necessarily be read as a single 25-mile ride from one end of Nashville to the other. Loop systems use separate tunnels for directional travel, and the approved corridor contains substantial twin-tunnel mileage.
In its August construction update, TBC said the February TDOT approval authorized 25 miles of tunnel within the state right-of-way. That is best understood as total permitted tunnel infrastructure across the network rather than a single straight-line route of the same length.
From Airport Connector to Network
That shift matters because it changes the project’s potential role in Nashville. An airport connector primarily serves visitors and airport trips. A network that also runs beneath Broadway and West End can connect major employment, entertainment, education, tourism and residential destinations.
The project is already beginning to reflect that broader model. A residential station agreement has been announced for PRIME, Alcove and Paramount, while Music City Center and BNA are advancing station work. TBC says more than 40 stations are in various stages of planning and design.
The Map Is Becoming the Story
For the next phase of Music City Loop coverage, the most important question may not be whether Nashville gets a tunnel. Tunneling is already underway. The bigger question is how extensive the eventual network becomes and which properties connect to it.
The almost 25-mile description is the clearest indication yet that The Boring Company is planning for something much larger than a one-purpose airport shuttle. Nashville is now watching the early construction of an underground network.
Disclaimer
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