Live Chat I-75 Community Nearby Traffic Johnston Lake Dam Number One (Water dam) 2024-05-29 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Johnston Lake Dam Number One (Water Dam) Ooltewah, TN 7.40 Cleveland, TN 9.63 Collegedale, TN 9.86 Interstate highway exits close to Johnston Lake Dam Number One (Water Dam) Exit 20, i75 5.46 Exit 11, i75 8.13 Exit 25, i75 12.61 Interstate highways close to Johnston Lake Dam Number One (Water Dam) i75 map 5.46 i24 map 24.02 i59 map 44.88 State roads close to Johnston Lake Dam Number One (Water Dam) US 11 TN map 0.31 US 74 TN map 6.29 TN 312 map 6.46