From Interstate 35:

1 - Exit Wells Branch Parkway and drive east - 3.6 miles.

2 - Wells Branch Parkway continues past Killingsworth on the left. Keep going south on Wells Branch Parkway.

3 - Take a left onto Killingsworth Ln at the stoplight.  

The track is located on the Right (East side of Killingsworth Lane).

The address is 5001 Killingsworth Lane Pflugerville, TX 78660.