From RDU Airport:

As you exit airport look for and take Aviation Park Way South/Interstate 40 East exit. You will be on Aviation Parkway. Continue on Aviation Parkway, crossover interstate I-40 and take a left turn on to Evans Road (Evans Road traffic light comes after Southport Drive traffic light. If you went to Route 54, you went too far), right on to Weston Parkway and left on to Sheldon Drive (opposite to Weston Estates). Take the second driveway on the right to 1001 Sheldon. CiVentiChem is located in the back of the building.

From Raleigh, Chapel Hill and Durham: Take Interstate 40 and then take exit 285, Aviation Parkway. Take left turn on to Aviation Parkway coming from 40 West and right turn coming from 40 East. Follow the directions above from Aviation Parkway.