here are directions from G'nett; besides 85-285-75 is a better run
8: Merge onto I-85 S/GA-403 S via the ramp on the LEFT.
9: Take EXIT 95B toward I-285-BYPASS W/CHATTANOOGA/BIRMINGHAM.
10: Take the BUFORD HWY/US-23 exit toward DORAVILLE.
11: Merge onto I-285 W/GA-407 W via the exit on the LEFT toward CHATTANOOGA/BIRMINGHAM.
12: Merge onto I-75 N/GA-401 N via EXIT 20 toward MARIETTA/CHATTANOOGA.
13: Take the N MARIETTA PKWY exit, EXIT 265, toward GA-120.
14: Take the GA-120-LOOP exit on the LEFT toward US-41/GA-3.
15: Turn LEFT onto N MARIETTA PKWY NE/GA-120 LOOP W. Continue to follow GA-120 LOOP W.
16: Turn RIGHT onto WHITLOCK AVE NW/WHITLOCK AVE SW/GA-120 W. Continue to follow GA-120 W.
17: Turn SLIGHT RIGHT onto JIMMY LEE SMITH PKWY/US-278 W/GA-120 W/GA-6 W.
18: Turn SLIGHT LEFT.
19: Turn LEFT onto JIMMY LEE SMITH PKWY/US-278 E/GA-120 E/GA-6 E.
20: Turn RIGHT onto INTERNATIONAL PKWY.
21: 260 INTERNATIONAL PKWY is on the RIGHT.