APM: 16 Location: I-805 and El Cajon Blvd, San Diego At El Cajon Blvd, we’re 1.25 miles from SR 15, which connects to SR 94 west. APM: 15 Location: I-805 and University Ave, San Diego 3/4 mile to SR 15. APM: 15 Location: I-805 and University Ave, San Diego 1/2 mile to SR 15 south to SR 94 … Continue reading Interstate 805, I-8 Bus to SR 15