From Washington/Richmond Take exit #75 for I-64 East towards Williamsburg/Norfolk. Take I-64 East to exit 291-B. Immediately get into the far left lane and follow the exit for U.S. 168 South. Follow U.S. 168 South over the North Carolina state line. In Barco, NC, U.S. 168 South becomes U.S. 158 . Stay on U.S. 158 to the Outer Banks