Directions from I-95:
Take I-40 West. Take Exit #301, marked I-440 Outerloop. Take Exit #11, marked US1 North/Capital Boulevard North. Take US1 North for approximatley 3.5 miles. Turn left on Spring Forest Road (Spring Forest Road is the third traffic light after the US/US 401 split.) turn right at the second traffic light, marked Departure Drive. Turn left at the first road, marked Discovery Drive. NTS is the fourth building on the right---2613 B Discovery Drive.

Directions from Raleigh/Durham Airport (RDU):
From RDU, Take Aviation parkway to I-540. Take Exit marked I-540 East. Take Exit #16 marked US 1 South, stay in the right lane and turn right onto US 1 South. Go 2/10 mile. Turn right at first stoplight onto Old Wake Forest Road. Go 7/10 mile. Turn left at stoplight onto Oak Forest Road. Go 1/10 mile. Turn right onto Discovery Drive. NTS is the fifth driveway on the left--- 2613-B Discovery Drive.