Live Chat I-680 CA Community Nearby Traffic Planetarium (PL) (Education school) 2024-05-29 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Planetarium (PL) (Education School) Concord, CA 4.23 Walnut Creek, CA 5.25 Martinez, CA 6.41 Interstate highway exits close to Planetarium (PL) (Education School) Exit 49, i680ca 1.49 Exit 50, i680ca 1.98 Exit 51, i680ca 2.17 Interstate highways close to Planetarium (PL) (Education School) i680ca map 1.49 i780ca map 12.14 i80 map 17.60 State roads close to Planetarium (PL) (Education School) 242 NORTHBOUND map 1.85 242 SOUTHBOUND map 1.85 CA 4 map 4.48