Take I-75 north to South Marietta Loop - exit west toward Southern Polytechnic. Travel west.
After going under large Rail Road Bridge, turn RIGHT at light.
At the 2nd light, turn left (west) onto Whitlock Ave. (This is also Hwy 120.)
Travel WEST about 10 miles.
The road widens and changes name to Dallas Hwy.
It is still 120.
Immediately after entering Paulding County, turn RIGHT at light at Merchant's Square Shopping Center onto East Paulding Drive.
EPHS is about 1 mile on left.