Live Chat I-15 Community Nearby Traffic i15 2024-06-08 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to I15 San Marcos, CA 8.13 San Diego, CA 9.99 Poway, CA 15.16 Interstate highway exits close to I15 Exit 29, i15 1.95 Exit 30, i15 2.23 Exit 31, i15 2.80 Interstate highways close to I15 i15 map 1.95 i5 map 21.03 i805ca map 26.69 State roads close to I15 CA 78 map 1.43 CA CR S6 map 1.81 CA CR S14 map 3.02