From I-20 West:

Take Exit 30 Post Road.

Take a right on to Post Road.

Take a left on Mason Creek Road.

Take a right on Johnston Road.

3400 Johnston Road will be on your left.

From I-20 East:

Take Exit 30 Post Road.

Take a left on Post Road.

Take a left on Mason Creek Road.

Take a right on Johnston Road.

3400 Johnston Road will be on your left.