Musk Proposes 200-mph Austin–San Antonio Tunnel

On Sept. 20, 2026, Musk said on X that The Boring Company is working on a tunnel linking Austin and San Antonio, cutting the roughly 80-mile trip to under 30 minutes at speeds above 200 mph. No route, funding, permits, vehicles, or timeline were disclosed.

• About 80 miles to be covered in under 30 minutes
• Speeds above 200 mph; current peak drive takes up to 2.5 hours
• No route, cost, permits, or vehicle design disclosed
• Existing Las Vegas Loop is 1.7 miles; new route is 47x longer