Heads up Triad commuters: The North Carolina Department of Transportation is warning local drivers to plan ahead due to the “unprecedented” traffic volumes expected from the thousands of people traveling to the state or to South Carolina to view the solar eclipse.

NCDOT predicts that more than 1 million people will travel to North Carolina, while the estimated number of travelers headed to South Carolina exceeds 2.1 million. To prepare, NCDOT is coordinating with various state. local and federal…