Interstate 40 is open once again at the Tennessee and North Carolina state line. The highway reopened June 27 following a rockslide and flood that overtook the road June 18. Drivers can now cross the state's border on I-40. For those planning to take the interstate through the mountains, here's what you should know before you drive.

Interstate 40 has reopened earlier than anticipated after a rockslide shut down a portion of the roadway on June 18.

Watch as crews continue repairs on Interstate 40 at Tennessee/North Carolina state line after rockslide and flooding closed the highway on June 18, 2025.