Live Chat I-405 CA Community Nearby Traffic 73 SOUTHBOUND 2024-04-24 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to 73 SOUTHBOUND Santa Ana, CA 5.23 Fountain Valley, CA 5.63 Newport Beach, CA 5.68 Interstate highway exits close to 73 SOUTHBOUND Exit 11a, i405ca 1.19 Exit 10, i405ca 1.44 Exit 11b, i405ca 1.69 Interstate highways close to 73 SOUTHBOUND i405ca map 1.19 i5 map 9.88 i605ca map 20.77 State roads close to 73 SOUTHBOUND 73 SOUTHBOUND map 1.18 73 NORTHBOUND map 1.43 55 NORTHBOUND map 1.81