From the Orange County (John Wayne) Airport:
Take 405 South, then exit on Irvine Center Drive. Take a left at the  stoplight onto Irvine Center Drive. Then take a right at the light onto  Alton Parkway. From Alton, take a left at the light onto Ada. Then, take  a left at the light onto Barranca. Look for the TRICONEX sign on the right hand side and pull into the parking lot.

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