Merge Onto I-75 N/I-85 N To Exit 261 For Ga-280 Toward Lockheed. Use The Left Lane O Take The Ga-280 Ramp To Lockheed/Dobbins Afb. Merge Onto Ga-280 S/Delk Rd Se, Turn Right Onto Pearl St, Turn Left Onto Garrison Rd Se,Turn Left Onto Powder Springs St, Turn Right Onto Fairlane Dr, Turn Right Onto Senna St, Turn Left Onto Coral St Until You Reach 518