Live Chat I-680 CA Community Nearby Traffic I 680 exit 40 2024-05-30 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to I-680 Exit 40 Canyon, CA 4.85 Concord, CA 4.85 Moraga, CA 4.85 Interstate highway exits close to I-680 Exit 40 Exit 38, i680ca 6.31 Exit 36, i680ca 6.78 Exit 39, i680ca 7.48 Interstate highways close to I-680 Exit 40 i680ca map 6.31 i580ca map 11.40 i880ca map 23.05 State roads close to I-680 Exit 40 CA 84 map 15.01 CA CR J2 map 16.37 CA 24 map 18.11