US 421 "The Snake" (Tennessee) Assetto Corsa track mod in the United States
US 421 "The Snake" (Tennessee) is a real road in the United States, rebuilt as an Assetto Corsa track you can download and drive: the actual asphalt traced from aerial imagery, real elevation and camber, and the scenery of the place around it.
Free account: two library downloads a week, then $0.99 each. Plans download without a limit.
About US 421 "The Snake" (Tennessee)
US 421 between Shady Valley and Holston Mountain in east Tennessee is known as "The Snake", famous for hundreds of curves packed into a few miles. Like the Tail of the Dragon, it's a bucket-list road for riders and drivers.
This build covers the twisting section of US 421 near Shady Valley.
Driving it in Assetto Corsa
- Curve after curve with almost no straight road.
- Climbs over the mountain, so the corners change as it rises.
- A must-drive if you like the Dragon.
Drive it in the sim only, never on the real road.
US 421 "The Snake" (Tennessee) track facts
- Road
- US 421 "The Snake" (Tennessee)
- Country
- United States
- Hairpins
- 1
- Sharp corners
- 14
- Built
- Sep 22, 2026
- Format
- Assetto Corsa track (zip)
US 421 "The Snake" (Tennessee) is one of the real roads in the Drift Maps track library, in the United States. It was built on Sep 22, 2026. The traced route of US 421 "The Snake" (Tennessee) has 14 sharp corners, 1 hairpin among them.
The track is generated from the road's aerial imagery: the pavement is traced from what's actually on the ground, elevation and camber come from survey data, and the surrounding terrain, buildings and vegetation are placed from the same imagery.
How to install US 421 "The Snake" (Tennessee) in Assetto Corsa
- Download the zip with the button above. You need a free Drift Maps account; it signs you in and brings you back here.
- Open Content Manager and drag the zip onto its window, then confirm the install. Without Content Manager, unzip it into
assettocorsa/content/tracks/. - Pick the track in Drive → Quick Drive: search the track list for “US 421 "The Snake" (Tennessee)”, choose a car and go.
US 421 "The Snake" (Tennessee): questions
Is US 421 "The Snake" (Tennessee) available in Assetto Corsa?
Yes. US 421 "The Snake" (Tennessee) is an Assetto Corsa track mod built by Drift Maps from the real road in the United States. Download it from this page.
How do I install US 421 "The Snake" (Tennessee) in Assetto Corsa?
Download the zip, then drag it onto the Content Manager window and confirm the install, or unzip it into content/tracks/ inside your Assetto Corsa folder. The track then shows up in Content Manager like any other track mod.
Is the US 421 "The Snake" (Tennessee) track mod free?
A free Drift Maps account includes two library downloads a week. After that each extra download is $0.99, and every paid plan downloads from the library without a limit.
How many hairpins does US 421 "The Snake" (Tennessee) have?
The traced route of US 421 "The Snake" (Tennessee) has 14 sharp corners, 1 hairpin among them. A hairpin here is a turn of 150° or more within 80 m; a sharp corner is 80° or more within 50 m.
Can I get a longer or different section of this road?
Yes. Drift Maps builds any stretch of real road between two points you pick on the map — including a longer or different cut of US 421 "The Snake" (Tennessee), or any other road on Earth.