Live Chat I-780 CA Community Nearby Traffic P R D 449 Dam (Water dam) 2024-05-24 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to P R D 449 Dam (Water Dam) Port Costa, CA 4.39 Vallejo, CA 5.71 Crockett, CA 6.34 Interstate highway exits close to P R D 449 Dam (Water Dam) Exit 4, i780ca 1.13 Exit 5, i780ca 1.59 Exit 3a, i780ca 2.19 Interstate highways close to P R D 449 Dam (Water Dam) i780ca map 1.13 i680ca map 2.28 i80 map 6.60 State roads close to P R D 449 Dam (Water Dam) CA 29 map 6.65 CA 4 map 6.74 37 WESTBOUND map 9.61