Live Chat I-85 Community Nearby Traffic Johnston Lake Dam (Water dam) 2024-06-05 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Johnston Lake Dam (Water Dam) Matthews, NC 0.00 Paw Creek, NC 0.00 Newell, NC 8.18 Interstate highway exits close to Johnston Lake Dam (Water Dam) Exit 40, i85 1.89 Exit 41, i85 2.31 Exit 39, i85 3.29 Interstate highways close to Johnston Lake Dam (Water Dam) i85 map 1.89 i77 map 3.34 i40 map 59.09 State roads close to Johnston Lake Dam (Water Dam) NC 49 map 0.64 NC CHARLOTTE 4 map 0.83 NC 16 map 4.12