From North Franklin Street
Turn East onto Peppers Ferry Road (Route 114). Pass Arbor Drive and the 460 interchange. Turn left on Cinnabar Road. Authority Drive is the next right turn.
From I-81 (north or south)
Take Exit 118B toward Virginia Tech (west). Stay on this road, do not take any other exits until Exit 4B, Rt. 114/Peppers Ferry Road. Proceed 0.2 miles to a sharp left-hand curve, where the road name becomes Cinnabar Rd. Stay on Cinnabar. At top of hill on right, you will see facility. Turn right onto Authority Drive.