Nashville Zoo (3777 Nolensville Pike, Nashville, TN 37211) can be accessed from either I-65 or I-24 at the Harding Place Exit.
From I-24: Exit Harding Place (#56) on the east side of Nashville and head west about 1.5 miles to Nolensville Pike. Turn right on Nolensville and the Zoo is about one mile on your left.
From I-65: Exit Harding Place (#78A) on the south side of Nashville and head east to Nolensville Pike about 2 miles. Turn left on Nolensville and the Zoo is about one mile on your left.
From I-440: Exit Nolensville Pike (#6) on the south side of Nashville and head south about 2.6 miles. The Zoo is on your right.