Live Chat I-70 Community Nearby Traffic J B 'B' Grant Dam (Water dam) 2024-10-31 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to J B 'B' Grant Dam (Water Dam) Englewood, CO 5.42 Denver, CO 6.57 Lone Tree, CO 9.75 Interstate highway exits close to J B 'B' Grant Dam (Water Dam) Exit 200, i25 9.37 Exit 199, i25 9.40 Exit 201, i25 9.63 Interstate highways close to J B 'B' Grant Dam (Water Dam) i25 map 9.37 i225co map 9.38 i70 map 20.15 State roads close to J B 'B' Grant Dam (Water Dam) US 85 CO map 1.32 CO 75 map 2.18 CO 88 map 2.71