Live Chat I-85 Community Nearby Traffic Simmons Lake Dam (Water dam) 2024-05-17 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Simmons Lake Dam (Water Dam) Alpharetta, GA 0.00 Roswell, GA 0.00 Smyrna, GA 4.45 Interstate highway exits close to Simmons Lake Dam (Water Dam) Exit 16, i285ga 1.24 Exit 18, i285ga 2.29 Exit 15, i285ga 2.57 Interstate highways close to Simmons Lake Dam (Water Dam) i285ga map 1.24 i75 map 3.91 i20 map 9.05 State roads close to Simmons Lake Dam (Water Dam) GA 280 map 1.99 GA 8 map 6.15 GA 70 map 7.43